1. Which one of the following types of teeth in human beings is not shed?
   1. Premolars.
   2. Incisors.
   3. Molars.
   4. Canines.
2. In which one of the following pairs of partsbof the human body does digestion of food take place?
   1. Liver and stomach.
   2. Stomach and mouth.
   3. Pancreas and small intestine.
   4. Large intestine and mouth.
3. During breathing in, the following happens to air as it passes through the nose except being
   1. warmed
   2. moistened
   3. cleaned
   4. absorbed.
4. The following diagram represents a certain blood cell in human beings.
   
   The function of the blood cell is to
   1. transport oxygen
   2. clot blood
   3. fight germs
   4. transport food.
5. Which one of the following excretory products is produced by the skin, lungs and the kidney?
   1. Salt.
   2. Carbon IV oxide.
   3. Water.
   4. Urea.
6. The following are control measures for HIV and AIDS except
   1. immunization
   2. counselling and testing
   3. educating masses
   4. media advertisement.
7. The main reason why one should go for HIV testing is
   1. to know one's HIV status
   2. to stop spreading of HIV
   3. for an infected person to live positively
   4. for one to seek treatment.
8. The following are signs and symptoms of a certain communicable disease:
   1. Chest pain;
   2. Loss of weight;
   3. General body weakness;
   4. Prolonged coughing.
      The disease can best be prevented through
      1. proper ventilation
      2. clearing bushes
      3. proper nutrition
      4. giving vaccination.
9. Which one of the following practices is dangerous when handling chemicals at home?
   1. Storing chemicals in bottles.
   2. Following instructions on the container. 
   3. Smelling chemicals to identify them.
   4. Using protective equipment
10. The following are some signs and symptoms of sexually transmitted infections:
    1. painful urination;
    2. painless chancre;
    3. rush on the body;
    4. smelly pus from the genitals.
       Which two are for syphilis?
       1. (i) and (iii).
       2. (i) and (iv).
       3. (ii) and (iii).
       4. (ii) and (iv).
11. Which one of the following diseases is in the immunisation schedule for infants?
    1. Herpes.
    2. Malaria.
    3. Diphtheria.
    4. Chancroid.
12. Healthy teeth can be maintained by
    1. eating sugary foods
    2. using teeth to open bottles
    3. eating vegetables and fruits
    4. cleaning teeth before breakfast.
13. Which one of the following plants store food in the stem?
    1. Sweet potato.
    2. Irish potato.
    3. Cassava.
    4. Carrots.
14. The following is a representation of a food chain.
    Grass → Grasshopper → Guinea fowl → Eagle
    The secondary consumer is 
    1. eagle
    2. grasshopper
    3. grass
    4. guinea fowl.
15. Which one of the following adaptations enable plants to survive in wet areas? 
    1. Presence of thin cuticle.
    2. Presence of needle like leaves. 
    3. Deep roots.
    4. Succulent stems.
16. An example of a plant that obtains food nutrients from insects is
    1. mango
    2. cactus
    3. acacia
    4. sundew.
17. Which two of the following are oil crops?
    1. Maize and barley.
    2. Coconut and maize.
    3. Cotton and barley.
    4. Coconut and millet.
18. Pupils assembled the following materials to construct a certain weather instrument:
    1. A glass bottle;
    2. Ink;
    3. Biro pen tube;
    4. Water;
    5. Manilla paper;
    6. Cellotape.
       The weather instrument constructed was a
       1. windvane
       2. rain gauge
       3. liquid thermometer
       4. wind sock.
19. In the solar system, the fourth planet from the sun is
    1. Mars
    2. Uranus
    3. Jupiter
    4. Earth.
20. The following are characteristics of a certain animal:
    1. lays eggs;
    2. breathes using lungs;
    3. has a moist skin;
    4. undergoes external fertilization.
       The animal described is most likely to be a 
       1. lizard
       2. bat
       3. fish
       4. frog.
21. Which one of the following animal feeds is classified as pasture?
    1. Lucerne.
    2. Sorghum.
    3. Hay.
    4. Oats.
22. Which one of the following is an internal parasite?
    1. Tsetse fly.
    2. Round worm.
    3. Jigger.
    4. Mite.
23. An example of a bird that feeds on grains is
    1. eagle
    2. dove
    3. duck
    4. sun bird.
24. Which one of the following is not a way of using water sparingly?
    1. Using a watering can.
    2. Repairing leaking pipes.
    3. Using drip irrigation.
    4. Turning off taps.
25. One of the disadvantages of hard water is that it forms fur in kettles which
    1. prevents convection of heat
    2. acts as an insulation
    3. makes the kettle rusty
    4. increases evaporation  
26. Which one of the following is a way of conserving water by reusing?
    1. Harvesting rain water.
    2. Cleaning the house with tap water.
    3. Watering plants with treated sewage water. 
    4. Washing coffee berries using borehole water.
27. The disease that can be controlled by draining stagnant water is
    1. bilharzia
    2. cholera
    3. typhoid
    4. dysentery.   
28. The following are some effects of soil erosion:
    1. Small holes on the ground; 
    2. Thin top layer of soil missing; 
    3. V-shaped trenches on the ground;
    4. Small and shallow channels on the ground.
       Which two effects are for gulley and sheet erosion?
             Gulley               Sheet
       1. iv                       iii
       2. iii                       ii
       3. i                         iii
       4. iii                        iv
29. Which one of the following takes the shortest time to release nutrients into the soil?
    1. Mulches.
    2. Farmyard manure.
    3. Green manure.
    4. Compost manure.
30. The following observations were made on different types of soil:
    1. Spreads easily;
    2. Good for construction;
    3. Makes long ribbons;
    4. Good for farming;
    5. Has good drainage.
       Which observations are correctly matched to sand and clay soils?
              Sand           Clay
       1. (i)                  (v)
       2. (ii)                 (iv)
       3. (i)                  (iii)
       4. (iii)                (iv)
31. A child was diagnosed with the following signs and symptoms:
    1. wrinkled face;
    2. wasted body muscles;
    3. general body weakness;
    4. crying a lot.
       The child's condition can be corrected by providing adequate food that is
       1. rich in iron
       2. a balanced diet
       3. rich in proteins
       4. rich in vitamins.
32. Which one of the following pairs of food preservation methods is correctly matched as modern and traditional?
           Modern                                       Traditional
    1. Smoking                                      Use of low temperature
    2. Canning                                       Drying
    3. Salting                                         Smoking
    4. Use of low temperature               Use of honey
33. Which one of the following can cause food poisoning?
    1. Micro-organism.
    2. Excess spices.
    3. Excess cooking oil.
    4. Less fibre in food.
34. Which one of the following pairs consist only of sources of chemical energy?
    1. Firewood and dynamo.
    2. Dynamo and sun.
    3. Firewood and battery.
    4. Sun and battery.
35. The following diagram represents an improved jiko.
    
    Which one of the following parts labelled
    N, P, Q and R minimizes heat loss?
    1. N
    2. P
    3. Q
    4. R
36. In an experiment to investigate good and bad conductors of electricity, different materials were used and observations made. Which one of the following was likely to be a correct observation?
           Material                 Observation
    1. Pin                         bulb lights
    2. Glass                     bulb lights
    3. Nail                        bulb does not light
    4. Coin                       bulb does not light
37. The following diagram represents a setup that can be used to demonstrate a certain aspect of light.
    
    The aspect investigated is
    1. refraction of light
    2. dispersion of light
    3. reflection of light
    4. how light ttravels
38. In which one of the following pairs of materials is heat transferred through convection only?
    1. Glass and water.
    2. Iron rod and glass.
    3. Air and iron rod.
    4. Air and water.
39. Which one of the following is not a special sound? Sound from a
    1. siren
    2. crying child
    3. ringing bell
    4. scream.
40. The following are some of the ways used to light a house:
    1. electric bulbs;
    2. translucent roofs;
    3. windows;
    4. lamps.
       The natural ways of lighting a house are
       1. (i) and (ii)
       2. (ii) and (iii)
       3. (ii) and (iv)
       4. (iii) and (iv).
41. The following are uses of a certain component of air:
    1. making plant food;
    2. preserving soft drinks; 
    3. putting out fires.
       The air component is
       1. oxygen
       2. carbon dioxide
       3. nitrogen
       4. inert gases.
42. Which one of the following pair of liquids are miscible?
    1. Water and kerosene.
    2. Cooking oil and milk.
    3. Water and cooking oil.
    4. Cooking oil and kerosene.
43. A certain form of matter has the following characteristics:
    1. occupies space;
    2. has definite mass;
    3. has definite volume;
    4. has definite shape.
       The characteristics are likely to be for
       1. solids and gases
       2. gases only
       3. solids only
       4. gases and liquids.
44. Which one of the following material sinks L in water?
    1. Office pin.
    2. Wooden ruler.
    3. Plastic plate.
    4. Candle wax.
45. Which one of the following pairs of levers has the fulcrum between the load and effort?
    1. Spade and wheelbarrow.
    2. Wheelbarrow and crowbar.
    3. Crowbar and claw hammer.
    4. Spade and claw hammer.
46. Friction is an advantage when
    1. closing a door
    2. swimming
    3. sharpening a knife
    4. flying.
47. In a single fixed pulley, the effort used is
    1. almost equal to the load
    2. less than the load
    3. twice the load
    4. in the same direction as the load.
48. Which one of the following can pollute soil, water and air?
    1. Spilt oil.
    2. Aerosal sprays.
    3. Industrial gas emissions.
    4. Burning of tyres.
49. The main purpose of mulching is to
    1. control soil erosion
    2. conserve soil moisture
    3. kill weeds by suffocation
    4. add humus to the soil. no dow
50. Which one of the following statements correctly describes the term environment? 
    1. Home of a living thing.
    2. Surrounding of a living organism. 
    3. Daily changes of the atmosphere.
    4. Interdependence between living things.

1. Which one of the following pairs of discases is correctly matched with. the time of immunization?
   

   	10 weeks	At birth
   A.	Tuberculosis	Measles
   B.	Whooping cough	Polio
   C.	Tetanus	Pertusis
   D.	Yellow fever	Hepatitis B

2. The following are characteristics of a certain type of tooth:
   
   1. Have cusps and ridges.
   2. Four in each jaw.
   3. Has uneven top.
      The type of tooth described above is
      1. molar
      2. canine
      3. premolar
      4. incisor.
3. Which of the following parts of the alimentary canal produces digestive juices?
   1. Mouth and ileum.
   2. Stomach and colon.
   3. Ileum and colon.
   4. Colon and rectum.
4. Which one of the following energy transformations take place when charcoal is used in cooking?
   1. Heat energy
   2. Light energy
   3. Electrical energy
   4. Chemical energy
5. Which of the following is an advantage of using organic manure in the farm? It
   1. has specific nutrients.
   2. has long term effect.
   3. is bulky to transport
   4. spreads edible weeds
6. The diagram below shows some parts of a flower
   
   Which parts represent filament and style respectively?
   1. V and Y
   2. X and Y
   3. Y and W
   4. Y and X
7. Which one of the following parts of reproductive system facilitate movement of minerals to the foetus?
   1. Amnion sac and placenta.
   2. Amniotic fluid and umbilical cord.
   3. Placenta and amniotic fluid.
   4. Placenta and umbilical cord.
8. Plants depend on other plants for the following except
   1. habitat
   2. shade
   3. oxygen 
   4. support
9. Which of the following methods of soil conservation work the same way as constructing gabions?
   1. Terracing
   2. Cover cropping
   3. Mulching
   4. Shading
10. Which of the following pairs consists of food that help in boosting the body immune system?
    1. Bread and milk.
    2. Potatoes and kales.
    3. Spinach and ripe bananas.
    4. Rice and carrots.
11. The following are characteristics of a certain animal:
    1. Breathe through lungs.
    2. Has varying body temperature.
    3. Lay fertilized eggs.
       The animal described above is likely to be
       1. a frog
       2. an ostrich
       3. a tilapia
       4. a crocodile.
12. Which of the following is a sign of crop diseases?
    1. Dark green.
    2. Malformation' 
    3. Thick cuticle
    4. Reduced yields 
13. The diagram below represents a block of wood being pushed along a surface towards point X:
    
    Which of the labelled parts mainly help in conserving the energy used?
    1. Part S
    2. Part T
    3. Part R
    4. Part K
14. Which one of the following components of air is correctly matched with its percentage?
    

    	Inert gases	Carbon dioxide
    A.	0.97%	0.03%
    B.	78%	21%
    C.	0.03%	0.97%
    D.	21%	0.03%

15. Which of the following pairs of drugs are prohibited in Kenya?
    1. Miraa and heroin.
    2. Cocaine and alcohol.
    3. Bhang and cocaine.
    4. Alcohol and tobacco.
16. The diagram below represents a block of wood being pushed alog a surface towards point X:
    
    In which direction is the force of friction?
    1. L
    2. K
    3. N
    4. M
17. A child has the following signs and symptoms:
    1. Pale skin.
    2. Whitish eyes.
    3. Feeling dizzy
       The child is also likely to;
       1. have swollen body parts. 
       2. feel light headed.
       3. have alert eyes.
       4. have weak bones.
18. Which of the following materials are not attracted by a magnet? Alni
    1. Alnico and tin.
    2. Steel wool and staples. 
    3. Office pins and razor blade.
    4. Silver coin and copper wire.
19. The following are proper use of medicinę except
    1. taking medicine for the recommended disease.
    2. taking excess medicine to speed up the healing process.
    3. taking the right dosage. .
    4. medicine should be taken before the expiry date.
20. Which of the following pairs of animal parasites can be controlled through hand picking?
    1. Liverflukes and hookworms.
    2. Ticks and fleas.
    3. Tapeworms and liverflukes.
    4. Ticks and tapeworms."
21. Which of the following stages of HIV/AIDS does a patient test negative with no signs?
    1. Incubation period
    2. Full blown AIDS
    3. Symptomatic stage
    4. Window stage.
22. The diagram below represents a set up that was used to demonstrate a certain property of matter.
    
    The property of matter demonstrated above was to conclude that;
    1. liquids exert pressure.
    2. matter occupies space.
    3. matter has weight.
    4. gases exert pressure.
23. The following materials can be used to construct a certain weather instrument;
    1. Nail
    2. Piece of wood
    3. Wire
    4. Metal sheet
       The weather instrument likely to be constructed is
       1. windvane
       2. liquid thermometer
       3. raingauge
       4. windsock
24. Which one of the following uses of water is not practiced in the industry?
    1. Mixing chemicals
    2. Cooling machines
    3. Cleaning tools 
    4. Making fountains.
25. The most effective control measure against HIV transmission among youth is
    1. using condoms.
    2. abstaining from sex before marriage.
    3. creating awareness.
    4. educating through social media.
26. Which of the following types of soil erosion removes a thin layer of soil?
    1. Rill erosion
    2. Gulley erosion 
    3. Sheet erosion
    4. Splash erosion
27. Which one of the following statements is true about liquids and solids? Both have
    1. indefinite mass and volume. 
    2. definite shape and mass.
    3. definite volume and shape. 
    4. definite volume and mass.
28. Which one of the following pairs of farm animals produce mutton?
    1. Goats and sheep..
    2. Pigs and cattle.
    3. Pigs and goats. 
    4. Sheep and cattle.
29. When pupils heated some garden soil in a sufuria covered with a lid, some water droplets were observed on the lid? The observation made indicated the presence of
    1. organic matter
    2. mineral salts
    3. living organisms.
    4. water.
30. The following are some characteristics of soil.
    1. Easily water logged.
    2. Poor drainage. 
    3. Best in capillarity.
    4. Small air spaces.
       The characteristics above are for
       1. clay soil only.
       2. sand and loam soil. 
       3. sand soil only.
       4. clay and loam soil.
31. Heat is transferred through a vacuum by
    1. convection and conduction. 
    2. radiation only.
    3. conduction and radiation.
    4. convection only.
32. Which of the following statements is true about cumulus clouds?
    1. Dark grey in colour.
    2. Bring heavy rainfall.
    3. Look like bundles of cotton.
    4. Found low in the sky.
33. Which of the following statements is true about pulmonary artery? It carries
    1. deoxygenated blood to the lungs. 
    2. oxygenated blood to the heart.
    3. oxygenated blood to the lungs.
    4. deoxygenated blood to the body.
34. In which of the following pairs of levers is the load, effort and fulcrum likely to be in similar position when in use?
    1. Spade and a pair of pliers.
    2. Claw hammer and crowbar,
    3. Spade and fishing rod.
    4. Wheelbarrow and claw hammer.
35. Which of the following is the best way of preventing the spread of bilharzia in the community?
    1. Clearing long grasses and bushes. 
    2. Administering vaccination.
    3. Seeking medical attention during an outbreak.
    4. Wearing protective clothing.
36. Excessive release of industrial gases affects non living components of the environment by 
    1. corroding iron sheets.
    2. suffocating plants.
    3. causing breathing problems.
    4. killing small animals in the soil.
37. Which of the following pairs of plants is correctly matched with the type of root system?
    

    	Fibrous root	Tap root
    A.	Beans	Millet
    B.	Onion	Acacia
    C.	Mango	Coconut
    D.	Maize	Sorghum

38. Which of the following pairs of food can be preserved by salting?
    1. Fruits and fish.
    2. Cooked beans and vegetables. 
    3. Fish and pork.
    4. Milk and honey.
39. Which of the following simple tools- make work easier by increasing the effort distance?
    1. Wheelbarrow
    2. Pulley 
    3. Spade
    4. Staircase
40. The diagram below represents a seiup used to investigate a certain aspect.
    
    The aspect being investigated is: 
    1. refraction of light.
    2. making a rainbow.
    3. reflection of light. 
    4. how light travels.
41. Which one of the following factors will not affect sinking and floating of a material in water? The
    1. size of the material.
    2. type of the material.
    3. mass of the material.
    4. shape of the material.
42. On a see-saw, the heavier person can lift the lighter person when he
    1. sits away from the pivot.
    2. sits the same distance with the lighter person.
    3. sits near the pivot.
    4. stands on the see-saw.
43. The main reason why a baby needs to be breastfed by the mother is that the milk produced
    1. boosts the baby's ability to fight ailments.
    2. is free from diseases.
    3. bonds the mother with the baby.
    4. is always available.
44. Which of the following liquids will form a uniform layer when mixed in a container?
    1. Ink and diesel.
    2. Petrol and cooking oil.
    3. Water and kerosene.
    4. Diesel and spirit.
45. When breathing out, the
    1. diaphragm moves upwards and flattens.
    2. volume of the chest cavity increases.
    3. pressure in the chest cavity increases.
    4. lungs become inflated.
46. Which of the following is the most. effective method of controlling weeds, in a large scale farm?
    1. Digging them out.
    2. Slashing.
    3. Uprooting.
    4. Using herbicides.
47. Which one of the following is not an effect of force on objects?
    1. Changes the direction of a moving object.
    2. Slows down a moving object. 
    3. Changes the state of an object.
    4. Stops a moving object.
48. The following are adaptations of hydrophytes except
    1.  fleshy thick green stems. 
    2. flexible stem.
    3. numerous stomata.
    4. thin cuticle.
49. Which of the following discase symptoms is for tuberculosis?
    1. Prolonged cough with blood sputum.
    2. Severe diarrhoea. 
    3. Joint pain.
    4. Blood in the stool.
50. A flower with long feathery stigma is not likely to have
    1. no scent.
    2. sticky pollen grains.
    3. powdery pollen grains. 
    4. small sized petals.

MARKING SCHEME

1. B
2. C
3. A
4. A
5. B
6. B
7. D
8. C
9. A
10. C
11. D
12. B
13. C
14. A
15. C
16. D
17. B
18. D
19. B
20. B
21. D
22. B
23. A
24. C
25. B
26. C
27. D
28. A
29. D
30. A
31. B
32. B
33. A
34. B
35. D
36. A
37. B
38. C
39. D
40. B
41. B
42. A
43. A
44. B
45. C
46. D
47. C
48. A
49. A
50. B

1. Which one of the following parts of the human body produces sweat?
   1. Sweat duct
   2. Sweat pore
   3. Epidermis
   4. Sweat glands.
2. The diagram below represents the reproductive system.
                                                                    
   The development of the embryo
   to a foetus takes place in the part labelled
   1. L
   2. M
   3. N
   4. K
3. Which one of the following physical changes that take place during adolescence happens only in girls?
   1. Increase in height and weight.
   2. Enlargement of hips.
   3. Widening of the chest.
   4. Production of sex cells.
4. Which one of the following pair of diseases consist of only immunisable diseases?
   1. Typhoid and marasmus.
   2. Malaria and tuberculosis.
   3. Hepatitis B and diptheria
   4. Whooping cough and anacmia.
5. The following are effects of drug abuse:
   (i) Rape.
   (ii) Addiction.
   (iii) Lack of concentration.
   (iv) Truancy
   (v) Impaired judgement.
   Which one of the following consists only of social effects?
   1. (ii) and (iii)
   2. (iv) and (v)
   3. (v) and (iii)
   4. (i) and (iv)
6. Which of the following planets is between Jupiter and Uranus?
   1. Mars
   2. Neptune
   3. Saturn
   4. Venus
7. The main reason of using clay lining in an improved jiko is to
   1. make it more efficient.
   2. prevent wastage of time.
   3. prevent heat loss through radiation.
   4. make it more durable.,
8. Which one of the following plants is mainly grown to provide threads?
   1. Sugarcane
   2. Mango
   3. Cotton
   4. Sunflower
9. Which of the following combination consists of only useful fungi?
   1. Penicillium and dandruff
   2. Mushroom and puffball
   3. Yeast and penicillum
   4. Toadstool and moulds
10. Which of the following parts of a herbivore help them to properly chew food?
    1. Carnassial teeth
    2. Diastema
    3. Long tongue
    4. Horny pad
11. The percentage of the component of air that is useful in leguminous plants is
    1. 0.03%
    2. 78%
    3. 0.97%
    4. 21%
12. Which one of the following is true about soil that has best capillarity?
    1. Best for modelling.
    2. Best in construction.
    3. Suitable for growing crops.
    4. It has large particles.
13. The temperature at which a substance melts is the same temperature at which the substance
    1. contracts
    2. evaporates
    3. freezes
    4. condenses
14. Which one of the following sources of energy contain only chemical energy?
    1. Biogas and dynamo.
    2. Geothermal and dry cells.
    3. Car battery and solar panels.
    4. Food and charcoal.
15. The diagram below represents a simple electromagnet.
                                                                           
    Which of the following energy transformations occur in the electromagnet.
    1. Electrical → magnetic → heat
    2. Chemical → electrical → magnetic
    3. Chemical → magnetic →heat.
    4. Electrical → chemical → magnetic
16. Which of the following groups of food would provide nutrients suitable for a child suffering from anaemia?
    1. Spinach, liver, broccoli
    2. Fish, pork, beans.
    3. Rice, bacon, apple.
    4. Redmeat, groundnuts, millet.
17. During an activity, pupils had the following liquids in different containers?
    Container A - Milk.
    Container B - Kerosene
    Container C - Water
    Container D - Cooking oil
    They mixed the liquids in containers A, C and D in one container. How many layers were they able to observe?
    1. 1 layer
    2. 3 layers
    3. 4 layers
    4. 2 layers.
18. Which one of the following statements is not correct-about reproduction in human beings?
    1. Menstrution stops during pregnancy.
    2. The zygote gets implanted in the wall of the uterus
    3. The blood of the mother and foetus do not mix.
    4. Fertilization takes place in the uterus.
19. Which of the following statement is true about aorta? It carries
    1. deoxygenated blood.
    2. blood to the heart.
    3. blood at low pressure.
    4. blood at a high pressure.
20. Spring balance is used in measuring
    1. force
    2. mass
    3. length
    4. temperature
21. Which one of the following is an effect of soil pollution on living things?
    1. Affect soil composition.
    2. Cause death of small animals.
    3. Affect air circulation in the soil.
    4. Lower soil fertility.
22. In which one of the following activities is renewable energy in use?
    1. Using a thermos flask to keep hot liquids.
    2. Cycling for short distance.
    3. Production of electricity using a solar panel.
    4. Using cars with less fuel consumption.
23. Which of the following is an effect of HIV and AIDS to the family?
    1. Low standards of living.
    2. Congestion in hospitals.
    3. Low agricultural production.
    4. Increased number of school dropouts.
24. The following materials can be used to construct a certain weather instrument.
    (i) Water and ink.
    (ii) A basin.
    (iii) Manilla paper.
    (iv) A glass bottle.
    (v) Straw and cork.
    (vi) A wooden stand..
    The weather instrument likely to be constructed is
    1. a windsock
    2. an air thermometer
    3. a windvane
    4. a liquid thermometer.
25. Which of the following drugs is correctly classified?
    

    	Illegal	Legal
    A.	Alcohol	Bhang
    B.	Mandrax	Heroin
    C.	Tobacco	Alcohol
    D.	Cocaine	Khat

26. The diagram below represents a set up that can be used to demonstrate a certain aspect of heat energy.
                                                                          
    The aspect that can be demonstrated is
    1. convection in gases.
    2. expansion in liquids.
    3. contraction in liquids.
    4. expansion in gases.
27. Which one of the following is an advantage of using fertilizer in the farm?
    1. They are bulky to transport.
    2. Have long term effect.
    3. Provide soil with specific nutrient.
    4. Improve ability of the soil to hold water.
28. Which one of the following components of blood is involved in transportation of heat and digested food?
    1. Plasma
    2. White blood cells.
    3. Platelets.
    4. Red blood cells.
29. Which one of the following crop pests mainly attack young seedlings in the seedbed?
    1. Stalkborer
    2. Aphids
    3. Cut worm
    4. Weevils
30. Which of the following is a common characteristic between a crocodile and a platypus? They
    1. have scales.
    2. lay fertilized eggs.
    3. have varying body temperatures.
    4. have external fertilization.
31. Which is the last step in modelling a solar system?
    1. Putting the name tags.
    2. Pasting manilla paper.
    3. Mounting the planets.
    4. Drawing orbits.
32. In which one of the following is work made easier by increasing the effort distance?
    1. Flag post
    2. Claw hammer
    3. Wheelbarrow
    4. Staircase
33. Which one of the following mixtures cannot be separated by use of a magnet?
    1. Staples and maize flour.
    2. Sawdust and office pins.
    3. Steelwool and iron filings.
    4. Razor blades and aluminium foils.
34. Which one of the following does not pollute water?
    1. Soil erosion.
    2. Oil spillage.
    3. Acid rain.
    4. Human waste.
35. Which of the following is an adaptation of fish to swimming?
    1. Hollow bones.
    2. Scales pointing backwards.
    3. Webbed feet.
    4. Presence of gills.
36. Which one of the following practices will help to prevent the spread of Bilharzia?
    1. Boiling water before drinking.
    2. Wearing gumboots when walking in stagnant water. 
    3. Draining stagnant water from around the homestead.
    4. Covering latrines after use.
37. Which one of the following soil components is least affected when soil in a container is heated?
    1. Air
    2. Organic matter
    3. Mineral particles
    4. Water
38. Which one of the following processes involve absorption of heat from the surrounding?
    1. Melting and evaporation.
    2. Condensation and evaporation.
    3. Melting and freezing.
    4. Condensation and freezing.
39. The diagram below represents a set up that can be used to demonstrate a certain property of air.
                                                                  
    Which observation was not likely to be observed during the experiment?
    1. Water rose in the glass jar.
    2. Water rose in the basin.
    3. Carbon dioxide increased in the glass jar.
    4. Candle went off after sometime.
40. Which of the following methods of preserving food is both modern and traditional?
    1. Smoking.
    2. Salting.
    3. Drying.
    4. Refrigeration.
41. Which one of the following. methods of soil conservation can be used to control splash erosion?
    1. Planting cover crops. 
    2. Practising contour farming.
    3. Building gabions.
    4. Making terraces.
42. A card with the word BLOCK written on it was placed in front of a mirror. Which one of the following shows how the word would appear in the mirror? 
    
43. Inorder to replace blood lost during birth, a lactating mother should cat food rich in
    1. iron
    2. phosphorous
    3. vitamin D
    4. calcium
44. Which of the following factors make a plastic bowl to float in water?
    1. Shape
    2. Size
    3. Material.
    4. Mass
45. The following are some adaptations of plants that grow in dry environment except having
    1. thick cuticle..
    2. broad leaves.
    3. deep roots.
    4. needlike leaves.
46. Which one of the following is a use of translucent materials?
    Making
    1. bathroom window panes.
    2. car windscreens.
    3. mirrors.
    4. toilet walls.
47. Which of the following is not an electrical appliance used at home?
    1. Radio
    2. Immersion heater
    3. Gas cooker
    4. Iron box
48. The following are activities carried out when making a simple beam balance:
    (i) Fix the stand and arm to the base.
    (ii) Suspend plank of wood to find the balancing point.
    (iii) Make a base for the balance.
    (iv) Fix the nails on both sides of the plank of wood.
    (v) Suspend tins on arms.
    Which one of the following is the correct order in which the activities are carried out? 
    1. (iii), (i), (ii), (iv), (v)
    2. (ii), (iii), (i), (iv), (v)
    3. (v), (iv), (ii), (i), (iii)
    4. (i), (iii), (ii), (v), (iv)
49. Which one of the following should be done inorder to move a stationary heavy load?
    1. Make the surface rough.
    2. Use less force.
    3. Apply greater force.
    4. Use equal force.
50. Heat reaches the fect of a person seated by the side of a fire by
    1. convection and raation.
    2. convection only.
    3. conduction and radiation.
    4. radiation only.

  MARKING SCHEME

1. D
2. A
3. B
4. C
5. D
6. C
7. A
8. C
9. C
10. B
11. B
12. A
13. C
14. D
15. B
16. A
17. D
18. D
19. D
20. A
21. B
22. C
23. A
24. B
25. D
26. D
27. C
28. A
29. C
30. B
31. A
32. D
33. C
34. A
35. B
36. B
37. A
38. A
39. B
40. C
41. A
42. C
43. A
44. C
45. B
46. A
47. C
48. A
49. C
50. D

1. Which one of the following effects of drugs is correctly matched with its causes?
   

   Effect	Cause
   A. Drowsiness-  B. Cirrhosis -  C. Addiction -   D. Lung cancer-	Injection of cocaine   Smoking of cigarettes   Chewing of miraa   Inhaling of cobblers

2. The main functions of white blood cells is to;
   1. fight disease-causing germs
   2. help in transportation of digested food
   3. carry oxygen from the lungs to the body
   4. help in clotting of blood
3. The diagram below represents a set-up used by pupils to investigate a certain property of soil.
   
   The property of soil investigated is;
   1. drainage
   2. fertility
   3. capillarity
   4. téxture
4. The best soil for modelling has;
   1. high water retention
   2. low capillarity
   3. coarse particles
   4. high drainage
5. Which one of the following is a compound fertilizer?
   1. Calcilum Ammonium Nitrate
   2. Suphate of Ammonia
   3. Muriate of potash
   4. Diammonium phosphate
6. Which one of the following is not a way of conserving water?
   1. Mulching
   2. using laundry water to clean a house 
   3. Washing vehicles in a water body
   4. Recycling
7. Which one of the following statements is not true about environment?
   1. It consists of the living things only
   2. Plants and animals produce carbondioxide.
   3. Water, air and soil make the non-living component.
   4. It refers to all things surrounding a living thing.
8. Which one of the following is the best way of managing domestic waste in urban centres?
   1. Reducing its generation.
   2. Making compost manure.
   3. Onsite treatment.
   4. Using local authority services.
9. Plants Q, R, S and T had the following characteristics:
   Q-Needle-like leaves, thick cuticles
   R-Flexible stem, floating leaves
   T-Many stomata, waxy leaves.
   Which pair of plants are adapted to the same habitat?
   1. Q and R
   2. Q and S
   3. O and T
   4. S and R
10. The force that opposes motion can be increased in the following ways except;
    1. making treads on wheels 
    2. streamlining bodies
    3. Spreading coarse materials on road 
    4. Making the surface rough.
11. Which one of the following uses of heat is not correctly matched with its use?
    

    Source of heat	Use
    A. Gas  B. Sun  C. Fire  D. Electricity	Ironing   Drying  Warming   Cooking

12. The following materials were collected by pupils during a Science practical lesson.
    1. Water in a basin.
    2. A clean mirror.
    3. A white board.
       Which aspect of light were they investigating?
       1. Dispersion of light
       2. Refraction of light
       3. Reflection of light 
       4. How light travels
13. Which one of the following best explains why people should not board matatus that play loud music?
    1. Makes communication difficult
    2. Loud sound may damage eardrums 
    3. Loud sound may cause headache 
    4. Loud sound may cause hallucinations
14. The diagram below shows two pupils playing on a see-saw.
    
    In order to balance;
    1. Mark should move closer to F
    2. John should move closer to F 
    3. both should sit at equal distance from F
    4. Mark should move further away from F.
15. Which one of the following groups of materials consists only of good conductors of heat?
    1. Plastic, glass, copper
    2. Iron, silver, plastic:
    3. Glass, copper, gold
    4. Iron, gold, silver
16. Which method of controlling weeds would a farmer apply in a nursery bed?
    1. Uprooting
    2. Applying herbicides
    3. Digging out
    4. Slashing
17. Which one of the following groups consists only of useful small animals?
    1. Termites, butterfly, locust
    2. Bees, earthworms, locust
    3. Termites, bees, earthworms
    4. Bees, butterflies, earthworms
18. The following are characteristics of a certain vertebrates: 
    1. Presence of teeth.
    2. Presence of gills.
    3. Presence of tails.
    4. Presence of fins
    5. Presence of scales.
       Which of the characteristics belong to fish only?
       1. (i) and (ii)
       2. (ii) and (iv)
       3. (iii) and (iv)
       4. (iii) and (v)
19. The following are rotational methods of grazing except;
    1. tethering
    2. zero grazing
    3. paddocking
    4. strip grazing
20. Domestic animals are sprayed to control the following except;
    1. fleas
    2. tapeworm
    3. ticks
    4. lice
21. A pupil intended to cut a piece of timber to repair a desk. The most appropriate tool for the work would be:
    1. hammer
    2. panga 
    3. knife
    4. saw.
22. A pupil had the following signs and symptoms.
    1. Skin rash.
    2. Blood in urine.
    3. Slight diarrhoea.
       The pupil was most likely to be suffering from;
       1. bilharzia
       2. cholera
       3. typhoid
       4. malaria.
23. The teeth of carnivores are well spaced to;
    1. enable them to penetrate into flesh
    2. enable them to slice and crack bones easily
    3. prevent flesh from getting stuck between them
    4. enable them to catch and hold prey.
24. A small stone sinks in water while a big log of wood floats. This is because of the difference in;
    1. shape
    2. weight
    3. material
    4. size.
25. Weight is measured in;
    1. newtons
    2. kilograms
    3. volume
    4. kelvin
26. Which one of the following methods of food preservation removes water from the food?
    1. Use of honey
    2. Salting
    3. Freezing
    4. Use of low temperature.
27. Which one of the following can be transmitted from an infected animal to a healthy person?
    1. Malaria
    2. Anaemia
    3. Tuberculosis 
    4. Flea.
28. Which one of the following should be avoided when it is raining?
    1. Touching switches with wet hands.
    2. Overloading sockets.
    3. Leaning against walls.
    4. Putting on shoes with thick rubber soles.
29. The following are products obtained from goats except;
    1. milk
    2. mutton
    3. wool
    4. mohair.
30. To stop a moving object, the force applied should be;
    1. equal and in the opposite direction
    2. more and in the same direction
    3. less and in the opposite direction
    4. more and in the opposite direction.
31. In the human digestive system, absorption takes place in all the following parts except one. Which one?
    1. Stomach
    2. Mouth
    3. Ileum
    4. Colon.
32. Three of the following are reasons for H.I.V testing. Which one is not?
    1. To overcome fear
    2. To campaign for the spread of H.I.V
    3. To change behaviour
    4. To plan for the future one's dependants.
33. Pupils of Milimani primary school made a weather instrument using the following materials.
    1. Thin walled glass bottle
    2. Biro pen tube.
    3. Manila paper.
    4. Coloured water in a basin.
    5. Stand.
    6. Rubber band.
       Which principle does the instrument they made work?
       1. Air in motion
       2. Liquid occupy space
       3. Liquid rise in straw
       4. Matter expands on heating.
34. The diagram below shows a certain part of a flower.
    
    Germination of pollen grains takes place in the part labelled;
    1. X
    2. Z
    3. Y
    4. W
35. Which one of the following pairs of processes both leads to the loss of heat to the surrounding?
    1. Melting and freezing.
    2. Melting and evaporation. 
    3. Condensation and melting.
    4. Freezing and condensation.
36. The diagram below shows the beak of a certain bird.
    
    The bird is not likely to be a;
    1. vulture
    2. hawk
    3. secretary bird
    4. swan.
37. Which one shows all materials that cannot allow magnetism to pass through them?
    1. Iron, steel, nickel.
    2. Iron, copper, steel.
    3. Copper, steel, nickel.
    4. Alluminium, copper, silver.
38. The following are all sources of current electricity except one. Which one?
    1. Car battery
    2. Geothermal turbines
    3. Dynamo
    4. Solar heater.
39. Which one of the following is the functions of dietary fibre found in fruits and vegetables?
    1. Provides vitamins to the body.
    2. Helps in the movement of food in the alimentary canal.
    3. Provides energy to the body.
    4. Helps in the absorption.
40. Infants needs to be breastfed for at least six months mainly because breast milk;
    1. makes them naturally more resistant to infections
    2. boosts their energy
    3. is readily available
    4. strengthens their bond with the mother.
41. The following are causes of water pollution. Which one is not?
    1. Soil particles.
    2. Controlled use of fertilizers.
    3. Untreated sewage.
    4. Human wastes.
42. The main reason why some plants that grow in dry areas have thorns is to;
    1. reduce water loss
    2. protect them from brousers
    3. store extra water
    4. to make food.
43. The following are all pastures except;
    1. nappier grass
    2. desmodium
    3. kikuyu grass
    4. rhodes grass
44. The toothless gap found on the front upper jaw is used for;
    1. turning of food for proper chewing
    2. crushing and grinding food 
    3. rolling food in the mouth
    4. pressing and cutting grass while feeding.
45. The diagram below shows a type of interdependence.
    
    The type of interdependence shown is; 
    1. shelter
    2. food
    3. support
    4. habitat 
46. Which one of the following is not a function of the part labelled T on the diagram below?
    
    1. Entry of air
    2. Emergence of plumule
    3. Emergence of radicle
    4. Entry of water.
47. The percentage of air that excludes oxygen during welding of metals occupy; 
    1. 0.03%
    2. 0.97%
    3. 21%
    4. 78%
48. The best method of controlling human. intestinal worms is;
    1. deworming
    2. wearing protective gear
    3. proper cooking of food
    4. proper sanitation.
49. The diagram below shows a certain instrument.
    
    Which is the function of the part labelled X?
    1. Allows contraction and expansion
    2. Prevents bursting of the glass.
    3. Expanding the mercury.
    4. Allows the doctor to read th temperature.
50. All thermometers have a scale on them called the;
    1. degree scale
    2. celsius scale
    3. thermometer scale
    4. temperature scale.

MARKING SCHEME

1. C
2. A
3. C
4. A
5. D
6. C
7. A
8. D
9. B
10. B
11. A
12. A
13. B
14. A
15. D
16. A
17. D
18. B
19. B
20. B
21. D
22. A
23. C
24. C
25. A
26. B
27. C
28. C
29. C
30. A
31. B
32. B
33. D
34. A
35. D
36. D
37. A
38. D
39. B
40. A
41. B
42. A
43. A
44. D
45. D
46. B
47. B
48. D
49. D
50. D

QUESTIONS

1. The diagram below represents parts of a flower.
   
   Which of the above parts labelled J, K, L and M represents the part that attracts insects and the part that protects the flower during bud stage respectively?
   1. L and J
   2. K and L
   3. M and L
   4. J and L
2. Which part of a bean seed allows air and water into the seed during germination?
   1. Testa
   2. Hilum
   3. Micropyle
   4. Cotyledon.
3. The diagram below shows interdependence between plants.
   
   The part marked X is a modified
   1. stem
   2. leaf
   3. bud
   4. flower.
4. Class four pupils saw a weed which had the following characteristics.
   1. Had petal like leaves.
   2. Had pink flowers.
   3. It grows under a shade.
      The weed was likely to be
      1. Oxalis
      2. Pigweed
      3. Black jack
      4. Sodom apple.
5. Which of the following statements is true about reproduction in human beings?
   1. Fertilization takes place in the ovary.
   2. A mature ovum is released after every 28 days.
   3. Ovulation is also called menstruation.
   4. Sperms are deposited in oviduct.
6. The diagram below represents parts of mammalian heart.
   
   Which of the following statements is not true about the vessels marked R, S, U and T?
   1. Blood vessel U is the main vein.
   2. Blood vessel T carries blood rich in carbon dioxide.
   3. Blood vessel R carries blood rich in oxygen.
   4. Blood vessel S carries blood under low pressure
7. Some pupils classified different crop pests as shown in the table below.
   

   Pupil	Storage pest	Field pest
   Jane John Joseph Njoki	Rats, weevil, white ant Termite, weaver birds, ant  Aphids, birds, cutworm Ant, aphids, cutworm	Aphids, cutworm, weaver birds  Stalk borer, mice, termite Termite, ants, weevils Termite, aphid, cutworm

   Who among them gave the correct classification?
   1. Njoki
   2. Joseph
   3. Jane
   4. John
8. The following is a description of a certain type of tooth.
   1. Sharp.
   2. Chisel shaped.
   3. Has one root.
      The type of tooth described above is used for
      1. cutting and biting food
      2. tearing and piercing
      3. crushing and grinding food
      4. chewing and tearing food.
9. In the human digestive system, absorption of water and mineral salts takes place in the
   1. ileum
   2. colon
   3. stomach
   4. rectum.
10. In the human reproductive system, what is formed immediately after fertilisation?
    1. Embryo
    2. Foetus
    3. Baby
    4. Zygote.
11. Which of the following vaccines is a baby given at birth and 14 weeks respectively?
    1. Polio and ant-measles.
    2. BCG and yellow fever.
    3. BCG and DPT.
    4. DPT and polio.
12. The following are signs and symptoms of a certain communicable disease.
    1. Pain in joints
    2. Fever
    3. Vomiting
    4. Headache
    5. Loss of appetite.
       The disease described above can be prevented by
       1. draining all stagnant water in the compound
       2. maintaining high standards of cleanliness 
       3. drinking boiled water
       4. wearing protective clothes when working in muddy areas.
13. Which of the following pairs consists of social effects of drug abuse only?
    1. Addiction and rape
    2. Impaired judgement and withdrawal
    3. Truancy and school drop out
    4. Marital conflict and fits.
14. The best way of controlling sexually transmitted infections among married people is by
    1. abstinence
    2. being faithful
    3. use of condoms
    4. maintaining body hygiene.
15. The most effective mode of campaign against the spread of HIV and AIDS is through
    1. television
    2. internet 
    3. radio
    4. pamphlets.
16. The diagram below shows a certain type of soil erosion.
    
    The type of erosion shown above is
    1. sheet
    2. rill erosion
    3. gulley erosion
    4. splash erosion.
17. The following are examples of compound fertilisers except
    1. Triple Supper Phosphate
    2. Mono Ammonium Phosphate
    3. Diamonium Phosphate
    4. Nitrogen Phosphorus and Potassium.
18. The following are characteristics of a certain type of soil.
    1. Has fine texture.
    2. Has small air spaces.
    3. Has highest capillarity.
       The type of soil described above is also likely to
       1. be found in construction sides
       2. be water logged
       3. be good for agriculture
       4. have best drainage.
19. The diagram below represents changes in the states of matter.
    
    The processes marked (i) and (iv) respectively are
    1. freezing and condensation
    2. melting and condensation
    3. freezing and evaporation
    4. evaporation and condensation
20. Which of the following pairs of liquids will mix completely when put together?
    1. Water and cooking oil.
    2. Spirit and milk.
    3. Petrol and spirit.
    4. Kerosene and milk.
21. Class seven pupils took a sufuria with water, added saw dust and placed it on a source of heat. What were the pupils investigating?
    
    1. Conduction in solids.
    2. Convection in gases.
    3. Convection in liquids.
    4. Radiation in liquids.
22. Class five pupils set the experiment as shown below.
    
    The pupils were investigating whether
    1. liquids occupy space
    2. air exerts pressure
    3. gases expand when heated
    4. gases occupy space.
23. Sound travels poorest in
    1. vacuum
    2. liquids
    3. gases
    4. solids.
24. The experiment below was set by pupils to investigate good and poor conductors of electricity.
    
    Which materials when placed at point X will not make the bulb light?
    1. Nail
    2. Dry wood
    3. Coin
    4. Graphite
25. A card with the word FISH was placed infront of a plane mirror. How did it appear?
    
26. Which of the following sources of current electricity pollutes the environment the least?
    1. Dry cells
    2. Car battery
    3. Generators
    4. Solar panel.
27. Which of the following is not true about the type of cloud shown below? It
    
    1. covers the whole sky
    2. is white in colour
    3. appears low in the sky 
    4. brings heavy rain.
28. Which of the following weather instruments is used to measure two aspects of wind?
    1. Liquid thermometer
    2. Windvane
    3. Windsock
    4. Barometer.
29. Which of the following is the second step when modelling the solar system?
    1. Draw the eight orbits.
    2. Paste the manilla on the soft board.
    3. Putting name tags.
    4. Mounting the planets on their orbits.
30. Which of the following animals is correctly matched with its product?
    1. Pig-Mutton
    2. Sheep-Mohair
    3. Layers - Eggs
    4. Goat-Wool.
31. The following animals have a moist skin and live partly in water and partly on dry land. Which one does not?
    1. Frog
    2. Seal
    3. Salamander
    4. Toad
32. Which of the following animal feeds consists of proteins only?
    1. Glycine, lucern, clover.
    2. Sunflower seeds, oats, napier.
    3. Salt lick, bone meal, lucern.
    4. Clover, napier grass, hay.
33. Which one of the following is not a rotational method of grazing?
    1. Tethering
    2. Strip grazing
    3. Herdin
    4. Paddocking.
34. Which of the following parasites destroys wool in a sheep?
    1. Louse
    2. Flea
    3. Tick
    4. Mite.
35. The following are ways of maintaining simple tools. Which one is not?
    1. Oiling them.
    2. Washing them.
    3. Repairing them.
    4. Using them regularly.
36. The following are industrial uses of water except
    1. washing coffee berries
    2. making pulp
    3. making fountains
    4. rearing fish.
37. The following are waterborne diseases except
    1. malaria
    2. typhoid
    3. cholera
    4. bilharzia.
38. The following are major components of environment except
    1. animals
    2. light
    3. air
    4. soil.
39. Which of the following does not pollute air?
    1. Smoking.
    2. Fumes from industries.
    3. Dead animals.
    4. Spraying pesticides.
40. Which of the following groups of food consists of body building food only?
    1. Groundnuts, locust, eggs.
    2. Fish, rice, sukuma.
    3. Pawpaw, peas, beans.
    4. Soya beans, ugali, chicken.
41. A person suffering from marasmus should be fed on
    1. proteins
    2. diet rich in iron
    3. enough balanced diet
    4. vitamins.
42. Which of the following methods of preserving food preserves food by making bacteria inactive?
    1. Smoking
    2. Use of honey
    3. Drying
    4. Use of low temperature.
43. It is advisable to include water in the diet for all the following reasons except to
    1. cool the body
    2. make the food bulky
    3. help in the formation of fluids
    4. help in absorption of digested food.
44. What is the importance of charcoal in the home made filter? To
    1. kill germs in the water
    2. filter tiny soil particles
    3. absorb the colour of the dirty water
    4. warm the water.
45. The following are uses of moving air except
    1.  felling trees
    2. sailing boats
    3. moving wind mills
    4. winnowing.
46. The following are ways through which water is polluted. Which one is not? Through
    1. floods
    2. oil spillage
    3. mulching
    4. excess use of farm chemicals.
47. A beam balance is used to
    1. measure force
    2. compare masses of different objects 
    3. measure volume
    4. measure energy.
48. The type of air used by green plants in making food is also used in
    1. electric bulbs
    2. making proteins by leguminous plants
    3. burning
    4. preserving fizzy drinks.
49. The diagram below shows a lever in use.
    
    Which of the following correctly represents the parts marked M, K and L respectively?
    

    M	K	L
    A. Load   B. Fulcrum   C. Load  D. Effort	Fulcrum    Load   Fulcrum   Load	Effort  Effort  Effort  Fulcrum

50. Which of the following materials has definite mass only?
    1. Water vapour
    2. Flour
    3. Ice
    4. Wax.

MARKING SCHEME

1. D
2. C
3. A
4. A
5. B
6. D
7. C
8. A
9. B
10. D
11. C
12. A
13. C
14. B
15. C
16. C
17. A
18. B
19. A
20. B
21. C
22. B
23. C
24. B
25. B
26. D
27. B
28. C
29. B
30. C
31. B
32. A
33. C
34. D
35. D
36. D
37. A
38. B
39. C
40. A
41. C
42. D
43. B
44. C
45. A
46. C
47. B
48. D
49. B
50. A

1. Which one of the following takes place during breathing in?
   1. Lungs contract
   2. Diaphragm flattens
   3. Ribs move downwards
   4. Diaphragm become dome-shaped
2. Below is a cross-section of a certain excretory organ.
   
   The correct names for the parts marked E, F, G and H respectively are
   1. kidney, ureter, bladder, urethra
   2. kidney, urethra, bladder, ureter
   3. bladder, ureter, kidney, urethra
   4. bladder, urethra, kidney, ureter
3. Which pair of diseases below can be prevented by administering DPT?
   1. Cholera and diphtheria
   2. Tuberculosis and diphtheria
   3. Whooping cough and tetanus
   4. Polio and yellow fever
4. Which one of the following is a social effect of drug abuse?
   1. Rape
   2. Withdrawal
   3. Hallucination
   4. Fits
5. The following materials can be used to construct a certain weather instrument:
   1. Stiff polythene
   2. A wooden pole
   3. String
   4. Glue
      The weather instrument likley to be constructed is
      1. air thermometer
      2. windvane
      3. windsock
      4. raingauge
6. Three of the following are ways of reducing the force that opposes motion. Which one is not?
   1. Lubrication
   2. Streamlining bodies
   3. Plaining surfaces
   4. Applying treads
7. The first and second planets respectively from the earth are
   1. Mars and Jupiter
   2. Mercury and Venus
   3. Mercury and Earth
   4. Mars and Saturn
8. In the food chain below which animal can best fit at the place marked Z?
   Grass → Antelope → Z→ Bacteria
   1. Leopard
   2. Hippopotamus
   3. Elephant
   4. Chimpanzee
9. The most appropriate way of managing plastic and glass materials is by
   1. re-using
   2. recycling
   3. burning them
   4. burying them
10. Brian a Science teacher, set-up the experiment represented below.
    
    Which component of soil was the teacher investigating?
    1. Water
    2. Living organism
    3. Humus
    4. Air
11. During a thunderstorm, pupils from Neema Academy were observed:
    1. Playing on the footbal pitch
    2. Lying on the floor in the classroom
    3. Wearing red sweaters in a classroom
    4. Sheltering under the verandah
       In which pair of observations are the pupils most likely to be struck by lightning?
       1. i and iv
       2.  ii and iv
       3. i and iii
       4. ii and iii
12. Which one of the following shows a pair of sources of electricity?
    1. Bicycle dynamo and car battery
    2. Water turbines and the sun
    3. Dry cells and wind turbines
    4. Torch cells and car battery
13. The following are methods of controlling livestock parasites. Which one controls both internal and external parasites?
    1. Rotational grazing
    2. Spraying
    3. Deworming
    4. Drenching
14. All the following are methods of grazing. Which one is not?
    1. Strip grazing
    2. Rotational grazing
    3. Herding
    4. Stall feeding
15. Mikah a standard seven pupil from Viscot Primary School mixed some pieces of chromium, salt and sand. Which one of the following processes of separation did he apply first?
    1. Filtration
    2. Use of magnet
    3. Hand picking
    4. Evaporation to dryness
16. The following are adaptation of plants growing in the dry areas. Which one is not?
    1. Succulent stem
    2. Deep roots
    3. Few stomata
    4. Flexible stems
17. The following are characteristics of a certain animal:
    1. It breathes through the lungs
    2. Its body temperature varies
    3. It has a moistened body
    4. It has external fertilisation
       The animal described above is most likely to be
       1. gecko
       2. turtle
       3. newt
       4. trout
18. The following activities will pollute water except
    1. oil spillage on water
    2.  Excess usage of fertilizers on land
    3. Fumes from the factory chimney
    4. Untreated sewages towards rivers
19. Which one of the following materials will not form a shadow when light is shown on it?
    1. White paper
    2. Mirror
    3. Glass of lamp
    4. A piece of wood

The diagram below represents a female reproductive system.

20. Which one of the parts labelled A, B, C and D is not correctly matched to its function?
    

    Part	Function
    A	Facilitates fertilization
    B	Nourishment of the baby
    C	Allows sperm deposits
    D	Ovulation

21. The third stage of HIV infection is known as
    1. incubation
    2. symptomatic
    3. asymptomatic
    4. window
22. Which one of the following diseases can be prevented by draining stagnant water around homestead?
    1. Malaria
    2. Cholera
    3. Typhoid
    4. Tuberculosis
23. Which one of the following groups consists only of foods that will help prevent kwashiorkor?
    1. Bread, cowpeas, green grams
    2. Cabbage, eggs, rice
    3. Fish, eggs, beans
    4. Maize, beans, spinach
24. A certain lever when in use can work with load, efort and fulcrum at different positions. The lever is likely to be
    1. crowbar
    2. claw hammer
    3. wheelbarrow
    4. spade
25. Which one of the following is true about whale? It has
    1. scales
    2. gills
    3. varying body temperature
    4. constant body temperature
26. Some pupils mixed liquids E, F and G. Liquid E mixed with liquid F. Liquid G did not with liquid E and F. Which one of the following correctly represents liquids E, F and G respectively
    

    	E	F	G
    A	Water	Cooking fat	Fat
    B	Cooking oil	Water	Milk
    C	Water	Milk	Cooking oil
    D	Milk	Cooking oil	Water

27. The following are effects of HIV and AIDS:
    1. Low esteem
    2. Loss of earning
    3. Poor health services
    4. School drop outs
    5. Sickness
       Which pair of the above effects affects the nation?
       1. v, ii
       2. i, iii
       3. iii, iv
       4. ii, iii
28. Which one of the following media is the most effective method of educating the masses about HIV and AIDS?
    A. Newspaper
    B. Television.
    C. Radio
    D. Video
29. The pie chart below shows properties of gases G, H, J and K that represent the components of air.
    
    Which of the following are uses of gases G and J respectively?
    1. Breathing and making electric tubes
    2. Germination and making plant food
    3. Putting out fire and making plant protein
    4. Preserving soft drinks and burning
30. Which of the following components of the environment comprise of the major ones only?
    1. Soil, plants, buildings
    2. Animals, water, air
    3. Rocks, animals, soil
    4. Water, air, heat
31. The soil that makes the longest ribbon
    1. has fine texture
    2. has large air spaces
    3. dries fastest
    4. has the best drainage system
32. Which crop below is correctly classified in the chart?
    
    
    1. Rice
    2. Cocoa
    3. Barley
    4. Wheat
33. Below are uses of water in the farm. Which one is not?
    1. Irrigation
    2. Mixing chemicals
    3. Fountain
    4. Watering animals
34. The following are activities carried out when compairing drainage in different soils:
    1. Put equal amounts of the three types of soil in funnels
    2. Pour equal amounts of water into the soils at the same time
    3. Place the funnels in the mouths of the three bottles
    4. Cut off the upper parts of the three bottles to make funnels
    5. Put equal amount of cotton wool in each funnel
       Which one of the following is the correct order?
       1. iv, i, v, iii, ii
       2. iii, i, iv, i, v
       3. i, iv, iii, v, ii
       4. iv, iii, v, i, ii
35. Which one of the following consists of a balanced diet for farm animals?
    1. Fish meal, cotton seeds, sunflower seeds, legumes
    2. Banana stem, green fodder, fruits,succulents
    3. Fish meal, mollasses, cotton seed,fruits
    4. Honey, mollasses, maize germ, rice husks
36. Standard six pupils made the set-up below.
    
    Which one of the following germination conditions were they investigating?
    1. Water
    2. Air 
    3. Warmth
    4. Temperature 
37. Which one of the following is a useful way of using moving air?
    1. Wind milling
    2. Blowing soil away
    3. Tree falling
    4. Blowing roof tops away
38. Which one of the following is mainly a measure when using simple tools?
    1. Cleaning after use
    2. Sharpening cutting tools
    3. Repairing tools
    4. Proper storage
39. The following are sources of heat except
    1. sun
    2. translucent roofs
    3. electricity
    4. gas
40. Which one of the following groups of animals is correctly matched?
    

    	Wild	Useful	Harmful
    A	Ostrich	Dog	Tick
    B	Hare	Cattle	Tick
    C	Dog	Hare	Flea
    D	Fish	Goat	Termite

41. The diagram below represents a marble placed on a board. When pulled suddenly, the marble will fall at
    
    
    
    1. Q
    2. O
    3. R
    4. P
42. Which one of the following statements is correct about nimbus clouds?
    1. White in colour
    2. Bundles of cotton like appearance
    3. Occur low in the sky
    4. Have a flat base
43. Birds which feed on grains have
    1. strong, short and straight beaks
    2. strong, short and curved beaks
    3. strong, short and broad baks
    4. long, sharp and pointed beaks
44. A card with the wood TEACHER written on it was placed in front of a mirror. Which one of the following correctly represents how the word appeared on the mirror?
    1. ЯЯНОАНІ
    2. TEACHER
    3. ТЯАЗНАЯ
    4. ЯННОАЯТ
45. Which one of the following physical signs of adolescence are correctly matched?
    

    	Boys	Girls
    A	Pimples appearance	Hair growth under armpits
    B	Mensturation flow	Beards grow
    C	Weight increase	Wet dreams
    D	Deep voice	Broading of shoulders

46. Which pair of materials below are magnetic?
    1. Steel and alnico
    2. Silver and iron
    3. Cobalt and zinc
    4. Chronium and aluminium
       
       
47. Which one of the following materials works in the same way as frosted glass?
    1. Air
    2. Mirror
    3. Clear water
    4. Oiled paper
48. Which one of the following statements is correct about the blood component shown below?
    
    
    1. It helps in blood clotting
    2. It fights disease causing germs in the body
    3. It carries haemoglobin
    4.  It transports heat all over the body
49. Which one of the following is not an effect of force?
    1. Moving objects
    2. Stopping objects
    3. Changing the states of matter
    4. Destroying objects
50. Which one of the following is not a change of state?
    1. Freezing of water to ice
    2. Melting of ice to water
    3. Boiling water to steam
    4. Crushing of a stone to form powder

MARKING SCHEME

1. B
2. A
3. C
4. A
5. C
6. D
7. A
8. A
9. B
10. C
11. A
12. D
13. A
14. A
15. B
16. D
17. C
18. C
19. C
20. C
21. B
22. A
23. C
24. A
25. D
26. C
27. C
28. C
29. B
30. B
31. A
32. A
33. C
34. D
35. C
36. B
37. A
38. A
39. B
40. B
41. B
42. C
43. A
44. D
45. A
46. A
47. D
48. C
49. C
50. D

1. The following are activities that help to control tooth decay except
   1. eating cakes and sugary foods
   2. drinking plenty of milk
   3. brushing teeth regularly
   4. regular dental checkups
2. The following are examples of pests. Which list consist of storage pests only?
   1. Army worms, weevils, moths
   2. Aphids, stalk borers, moles
   3. Rats, weevils, white ants
   4. Cutworms, termites, aphids
3. The following processes takes place during breathing in. Which one does not?
   1. Ribs move outwards and upwards
   2. Lungs expands as diaphragm become dome shaped
   3. Volume of the chest cavity increases
   4. Pressure in the chest decreases
4. The diagram below represents a female reproductive system
   
   Which pair of labelled parts have the same function as ovary of a flower?
   1. (i) and (ii)
   2. (v) and (iii)
   3. (ii) and (iii)
   4. (iv) and (v)
5. Below are effects of air pollution to non-living things except
   1. leads to destruction of materials made of calcium
   2. formation of acid rain from industrial waste gases
   3. harmful gases from exhaust pipes causes headaches
   4. dust and soot makes surfaces dirty
6. Which one of the following activities uses the principle of reflection of light?
   1. Formation of rainbow
   2. Using periscopes
   3. Placing a ruler in water
   4. Using solar panels
7. Manures can help to improve the fertility of soil in all the following ways except
   1. improves acration of soil
   2. improves scorching of plants parts
   3. improves water holding capacity
   4. improves soil structure
8. The diagram below shows pieces of wood placed on water
   
   Which one of the following statements explains what was being investigated?
   1. Shape affects sinking and floating
   2. Material affects sinking and floating
   3. Size does not affect sinking and floating
   4. Weight affects sinking and floating
9. Plants that grow in moist soils have all the following characteristics except
   1. have broad large leaves to reduce the rate of transpiration
   2. have flexible stems to prevent breaking
   3. have air sacs under a leaf for floating
   4. have a waxy hairy upper surface
10. The following arc statements that describes sound energy. Which one is correct?
    1. Sound travels slowly in a vacuum
    2. Reflected sound is louder than original sound
    3. A whisper sound is a soft sound
    4. A short string may produce a loud sound
11. Which one of the following pairs causes food poisoning?
    1. Poor cooking of food and not washing hands
    2. Chemicals and micro-organisms
    3. Improper handling of food and poor storage
    4. Not washing foods eaten when raw and houseflies
12. The following are functions of amniotic fluid during reproduction in human beings except
    1. facilitate exchange of fluids and digested food
    2. suspend the foetus during pregnancy
    3. acts as a shock absorber
    4. provides temperature to warm the foetus
13. Which one of the following shows magnetic materials only? 
    1. Aluminium, copper, glass 
    2. Glass, steel, iron
    3. Cobalt, nickel, carbon
    4. Tin, chromium, alnico
14. Which list of foodstuffs below consist of body building foods only?
    1. Milk, melons, millet, chips 
    2. Termites, beans, beef, eggs 
    3. Potatoes, maize, peas, honey 
    4. Soda, bread, milk, chapati
15. Which one of the following groups of plants consist of flowerless non-green plants only?
    1. Algae, ferns, mosses
    2. Maize, grass, sorghum
    3. Puffball, toadstool, brackets
    4. Beans, peas, groundnuts
16. When the soil is heated in a glass tube as shown below, smoke was seen rising out from the tube
    
    The experiment above shows that
    1. soil contains organic matter
    2. soil contains living organisms
    3. soil contains a lot of air
    4. soil contains a lot of water
17. Which one of the following is not a role of stomach in the human body?
    1. Produces chemicals that kills harmful micro-organisms
    2. Storing food temporarily for a few hours
    3. Produces enzymes that digest proteins
    4. Absorbs digested food
18. Which one of the following changes occurs in boys only during adolescence? A
    1. Release mature sex cells
    2. Increase in weight and height 
    3. Growth of hair on the chest 
    4. Appearance of pimples
19. Unhealthy crops leads to the following effects except
    1. low quality products
    2. transmission of diseases
    3. low yields
    4. costly production
20. A certain gas has the following characteristics;
    1. used by plants to grow
    2. forms approximately a fifth of air 
    3. supports germination of seeds
       Which one of the following is also its function?
       1. Making fire extinguishers 
       2. Formation of proteins
       3. Prevents bulbs from blowing out 
       4. Burning substances
21. Which one of the following is not a way of maintaining simple tools?
    1. Oiling movable parts
    2. Safe storage of tools
    3. Proper use of tools
    4. Sharpening cutting tools
22. Which one of the following is not an effect of hard water?
    1. Forms scales in cooking utensils 
    2. Reacts with soap to form scum
    3. Causes blockage in hot water pipes 
    4. Causes bleaching in coloured clothes
23. Which one of the following consists of 4^th, 5^th and 8^th planets from the sun?
    1. Mercury, Venus, Uranus
    2. Mars, Saturn, Uranus
    3. Mars, Jupiter, Neptune
    4. Venus, Saturn, Neptune
24. The following are steps of making a beam balance but not in the correct order
    1. suspend the tins on both sides of the arm
    2. make the base, a stand and the arm
    3. fix the stand and the arm to the base
    4. suspend the arm to find the balancing point
       Which one of the following is the correct order?
       1. (ii), (iv), (iii), (i)
       2. (iv), (i), (ii), (iii)
       3. (ii), (iii), (iv), (i)
       4. (iii), (iv), (ii), (i) 
25. The following are sources of electricity. Which one produces current electricity in the same way as bicycle dynamo?
    1. Solar panel
    2. Petrol driven generator
    3. Wind driven turbine
    4. Car battery
26. Which one of the following is made of major abiotic components of environment only?
    1. Plants, animals, water
    2. Soil, water, air
    3. Buildings, vehicles, factories
    4. Fish, birds, reptiles
27. The following are effects of HIV and AIDS
    1. poor economy
    2. increased medical expenses
    3. poor health care
    4. sadness
    5. increased orphans
    6. low self esteem
       Which pair consist of effects to the family and nation respectively?
       1. (ii) and (iv)
       2. (v) and (i)
       3. (ii) and (iii)
       4. (vi) and (iv)
28. The diagram below shows a certain aspect of work being measured
    
    The aspect being measured is the
    1. pressure of the wood
    2. mass of the block
    3. weight of the block
    4. friction on wood surface
29. The following processes occur during reproduction in plants;
    1. germination of pollen grains
    2. bursting of pollen tube
    3. fusion of pollen and ovule
    4. pollination
       Which process listed above comes second?
       1. (i)
       2. (ii)
       3. (iii)
       4. (iv)
30. Which one of the following lists consist of harmful animals only?
    1. Snake, snail, lizard
    2. Chameleon, rat, mosquito
    3. Tick, mite, flea
    4. Lion, hyena, dog
31. Which one of the following pairs of processes shown below requires loss of heat to the surrounding?
    A
    1. T and Q
    2. R and T
    3. S and R
    4. Q and S
32. Which one of the following are only omnivorous animals?
    1. Gazelles, antelopes, buffaloes
    2. Pig, bears, monkeys
    3. Cats, leopards, cheetah
    4. Goats, snakes, crocodiles
33. Which one of the following mixtures can be separated by dissolving, filtering and evaporation?
    1. Iron filings and flour
    2. Salt and sugar
    3. Kerosene, water and ink
    4. Chalkdust and sugar
34. Which one of the following statements is correct about handling chemicals used at home?
    1. Chemicals should be stored in the kitchen
    2. Empty chemical containers should be burnt completely
    3. Spray chemicals where there is sufficient ventilation
    4. Keep chemicals in the reach of children
35. Which one of the following diseases are both not communicable and immunizable?
    1. Tetanus and malaria
    2. Polio and tuberculosis
    3. Bilharzia and typhoid
    4. Kwashiorkor and marasmus
36. Which one of the following statements is true about IIIV and AIDS stages?
    1. Full blown is the most dangerous stage and tests positive
    2. During incubation stage a person tests positive and no signs
    3. During window stage one has visible signs but tests negative
    4. During symptomatic stage one has visible signs but tests negative
37. A lactating mother needs food rich in fluids to
    1. increase the production of breast milk 
    2. increase the levels of amniotic fluid 
    3. replace blood lost during birth 
    4. prevent dehydration of mother's body
38. Which one of the following methods of food preservation will all preserve food by dehydration?
    1. Canning, use of honey, refrigeration
    2. Use of ash, smoking, freezing
    3. Sun drying, canning, salting
    4. Smoking, drying, salting
39. Which one of the following uses of water is found in the industries only?
    1. Making fountains, making pulp
    2. Chemical mixing, making fountains
    3. Swimming, cooling machines
    4. Irrigation, making soft drinks
40. The diagram below shows a certain soil property being tested
    
    Which factor need not to be the same during the set up?
    1. Amount of soil samples
    2. Size of test straws
    3. Amount of water used 
    4. Duration of time
41. Which of the following pairs of energy requires a medium of transmission? 
    1. Heat and light
    2. Electricity and sound 
    3. Sound and light
    4. Heat and electricity
42. Which one of the following animals have the following characteristics?
    1. lay eggs
    2. have scales on its body
    3. uses lungs to breath
    4. have varying body temperature
       1. Platypus
       2. Hen
       3. Tilapia
       4. Lizard
43. Non-conductors of electricity can be used in making
    1. handles of cooking spoons
    2. plastic water tanks
    3. outer parts of sockets
    4. contacts of electric switches
44. Which one of the following materials allows light in the same way as frosted glass?
    1. Skylight and oiled paper
    2. Mirror and car windscreen
    3. Window pane and white paper 
    4. Clear glass and milk
45. Which one of the following lists consist of animals that hop and leap?
    1. Spider, flea, snail
    2. Cricket, flea, rabbit
    3. Kangaroo, frog, hyena
    4. Snail, snake, slug
46. Which one of the following ways of passing message on HIV and AIDS is not an example of educating masses?
    1. Using seminars
    2. Using workshops
    3. Using media
    4. Using crusades
47. The following are ways of lighting our houses naturally except 
    1. using large windows
    2. using translucent roofs
    3. using electric bulbs
    4. using large doors
48. The following is a description of a certain beak;
    1. strong
    2. curved
    3. hooked
       Which one of the following examples of birds have the same type of beak described above?
       1. Hawk, eagle, kingfisher
       2. Hen, turkey, dove
       3. Duck, swans, penguin
       4. Humming bird, sunbird, sparrow
49. Which weather instrument measures two aspect of weather?
    1. Windvane
    2. Air thermometer
    3. Rain gauge.
    4. Windsock
50. The function of carnassial teeth in animals of prey is to
    1. tear flesh from bones of prey and chew it
    2. prevent flesh from sticking between teeth
    3. allow space for turning flesh for proper chewing
    4. crush bones and slice flesh into small portions that can be swallowed

MARKING SCHEME

1. A
2. C
3. B
4. D
5. C
6. B
7. B
8. C
9. A
10. C
11. B
12. A
13. D
14. B
15. C
16. A
17. D
18. C
19. A
20. D
21. B
22. D
23. C
24. A
25. C
26. B
27. B
28. D
29. A
30. C
31. C
32. B
33. D
34. C
35. D
36. B
37. A
38. D
39. A
40. C
41. B
42. D
43. C
44. A
45. B
46. D
47. C
48. A
49. D
50. D

1. Which one of the following materials allows light to pass through but one cannot see through it clearly?
   1. Fresh milk
   2. Mirror
   3. Oiled paper
   4. Clean water.
2. Which one of the following statements about soft water is correct?
   1. is good for drinking
   2. lathers easily
   3. contains essential nutrients
   4. forms scum and fur.
3. The chart below shows classification of small animals.
   
   What do parts S and R represent respectively?
   
   

   	S	R
   A	Millipedes	Centipedes
   B	Crabs	Snails
   C	Butterfly	Mite
   D	Lice	Wasp

4. The diagram below represents a set up that can be use to demonstrate a certain aspect of heat.
   
   The aspect demonstrated is that
   1. solids conduct heat
   2. solids expand on heating
   3. solids melts when heated
   4. solids bend when heated
5. The main reason why a baby needs to be breastfed by the mother is that the milk produced
   1. is easily digested
   2. helps the baby to grow fast
   3. helps the baby's bones to be strong
   4. helps to boost the baby's immune system.
6. Which one of the following ways of improving soil fertility will take the shortest time for plants to get nutrients? When using
   1. farmyard manure
   2. compound fertilizers
   3. green manure
   4. compost manure
7. The diagram below shows parts of a maize fruit.
   
   Which of the following parts represents the embryo of the fruit?
   1. U
   2. T
   3. V
   4. W
8. The following are functions of roots.
   1. Absorb water.
   2. Absorb mineral salts.
   3. Hold plants firm in the soil.
   4. Store food.
   5. Breathing.
      Which pair of functions is performed by all roots?
      1. (i) and (v)
      2. (ii) and (iv)
      3. (iv) and (iii)
      4. (ii) and (iii).
9. Which one of the following property of light enables us to see clearly?
   1. Refraction
   2. Reflection
   3. Dispersion
   4. Light traveling in a straight line.
10. The following are materials used to make a certain weather instrument.
    1. Water
    2. Manila paper
    3. Cellotape
    4. Bottle
    5. Biropen casing
    6. Cork.
       The weather instrument likely to be improvised measures
       1. temperature
       2. direction of wind
       3. rainfall
       4. speed of wind.
11. The component of air that is used in food preservation is also likely to be used in
    1. making plant protein
    2. electric bulbs and tubes
    3. manufacturing of plant food
    4. germination of seeds.
12. Which one of the following pairs of processes of changes of states of matter requires absorption of heat from the surrounding?
    1. Condensation and freezing.
    2. Melting and evaporation.
    3. Freezing and melting.
    4. Evaporation and condensation.
13. Which one of the following is a social effect of drug abuse?
    1. Addiction
    2. Fits
    3. Withdrawal
    4. Truancy.
14. Three of the following factors influence soil erosion except
    1. amount of rainfall
    2. ploughing along the slope
    3. slope of the land
    4. type of soil.
15. Which of the following pairs of animals have a moist skin with no scales and lays unfertilized eggs?
    1. Frog and salamander.
    2. Newt and turtle.
    3. Whale and shark.
    4. Chameleon and toad.
16. The diagram below shows parts of the human digestive system.
    
    Which part is wrongly matched with its function?
    1. P-Digestion of proteins.
    2. Q-Mixes food with enzymes from pancrease.
    3. R- Completes digestion of food.
    4. S- Absorbs digested food.
17. Which one of the following is not a correct statement about reproduction in human beings?
    1. Menstruation stops during pregnancy.
    2. The zygote gets implanted on the walls of the uterus.
    3. Fertilization takes place in the oviduct.
    4. The blood of the mother and the foetus mix.
18. The blood vessel through which oxygenated blood flows from the heart is
    1. Pulmonary artery
    2. Venacava
    3. Aorta
    4. Pulmonary vein.
19. Which one of the following is an effect of ill health in livestock?
    1. Stunted growth.
    2. Loss of weight.
    3. Transmission of diseases to human beings.
    4. Rough coat.
20. Which one of the following pairs of food stuffs can be preserved by smoking?
    1. Meat and fish
    2. Kales and bacon
    3. Oranges and berries
    4. Cowpeas and fish.
21. Which of the following steps comes the third when making a beam balance?
    1. Suspending the arm to find the balancing point.
    2. Fixing the arm to the base.
    3. Suspending the tins.
    4. Making a hole on the balancing point.
22. The following are uses of heat except
    1. drying
    2. warming the house
    3. ironing clothes
    4. taking photographs.
23. A farmer noticed small and shallow channels forming in the soil in the garden due to running water. This type of erosion can best be controlled by
    1. building gabions
    2. planting cover crops
    3. terracing
    4. mulching.
24. Which one of the following plants is not a tuber crop?
    1. Sugarcane
    2. Carrots
    3. Yams
    4. Irish potato.
25. Which one of the following sources of electricity pollutes the environment?
    1. Wind-driven generators.
    2. Solar panels.
    3. Coal driven generators.
    4. Geothermal.
26. The diagram below represents a certain lever in use.
    
    Which parts represent the effort distance of the lever?
    1. Y and Z
    2. Z and X
    3. X and Y
    4. W and Y.
27. Which one of the following pairs of materials consists of non-magnetic materials only?
    1. Copper coin and nickel.
    2. Steel wool and office pins.
    3. Aluminium foil and silver.
    4. Staple pins and razor blade.
28. Which one of the following substances have definite mass, volume and shape?
    1. Oil, honey, tin.
    2. Steam, vapour, toothpaste.
    3. Flour, chalk, stone.
    4. Oxygen, water, rubber.
29. Which one of the following practices of maintaining simple tools will prevent a person from getting injuries?
    1. Using tools for the right purpose.
    2. Sharpening cutting tools.
    3. Oiling and greasing moving parts.
    4. Washing tools after use.
30. In which one of the following activities is friction least required?
    1. Flying
    2. Braking
    3. Walking
    4. Lighting a match stick
31. Which one of the following causes of pollution will damage roofs made of corrugated iron sheets?
    1. Aerosol sprays.
    2. Smoke from exhaust of vehicles.
    3. Industrial fumes.
    4. Excessive use of herbicides.
32. The energy that runs most processes within a given environment mainly comes from the
    1. water
    2. sun
    3. plants
    4. animals.
33. The following liquids were mixed in containers labelled (i), (ii), (iii) and (iv) as shown below.
    1. Water and kerosene.
    2. Kerosene and cooking oil.
    3. Milk and kerosene.
    4. Cooking oil and water.
       Which label contained liquids that cannot be separated by decanting?
       1. (iv)
       2. (iii)
       3. (ii)
       4. (i)
34. Which one of the following plants is non-green and non-flowering?
    1. Lichen
    2. Moss
    3. Fern
    4. Mould.
35. The amount of force of an object acting on a given area is it's
    1. volume
    2. mass
    3. pressure
    4. weight.
36. The following are functions of fibre in human diet except
    1. helps in digestion of food
    2. prevents constipation
    3. helps in movement of food
    4. gets rid of undigested materials.
37. Which one of the following parasites affect most farm animals?
    1. Round worms
    2. Hook worms
    3. Liverfluke
    4. Tape worms.
38. Which one of the following changes takes place during adolescence in girls only?
    1. Growth of pubic hair.
    2. Releasing of sex cells.
    3. Fast body growth.
    4. Broadening of the hips.
39. Which one of the following is a communicable disease?
    1. Measles
    2. Bilharzia
    3. Tuberculosis
    4. Typhoid.
40. Which one of the following statements is true about HIV and AIDS?
    1. All HIV positive people have AIDS.
    2. During window stage a person may test negative.
    3. It can be transmitted by mosquito bites.
    4. It is not spread during incubation period.
41. A child suffering from rickets should be given a diet rich in
    1. carbohydrates
    2. fats and oils
    3. proteins
    4. minerals salts
42. Wearing protective clothing while walking in stagnant water can prevent one from contracting
    1. Typhoid
    2. Bilharzia
    3. Cholera
    4. Tetanus.
43. The following are reasons why commercial feeds are given to animals.
    1. To increase milk production.
    2. Given to cattle under zero grazing only.
    3. To supplement other feeds.
    4. Given only when fodder cops and pasture are not available.
       1. (ii) and (iv)
       2. (i) and (iv)
       3. (i) and (iii)
       4. (ii) and (iii).
44. Which one of the following pair consists of field pests?
    1. White ants and weevils
    2. Weevils and aphids
    3. Cutworms and weaver birds
    4. Rats and stalk borers,
45. The diagram below shows a beak of a certain bird.
    
    This bird is likely to be a
    1. Nectar feeder
    2. Flesh feeder
    3. Filter feeder
    4. Grain feeder.
46. Which one of the following methods of grazing requires intensive labour?
    1. Strip grazing
    2. Paddocking
    3. Stall feeding
    4. Tethering.
47. The following are phases of the moon.
    
    Which phase of the moon is always seen in the morning?
    
    1. (i)
    2. (ii)
    3. (iii)
    4. (iv)
48.  Which one of the following planets has the longest orbit?
    1. Saturn
    2. Jupiter
    3. Mars
    4. Venus.
49. Class five pupils dropped two books of different masses on a table from different heights as shown below.
    
    What property of sound were they investigating?
    1. Types of force
    2. Loud and soft sound
    3. Sound pollution
    4. Sources of sound.
50. Which one of the following lists consists of natural sources of light only?
    1. Candle, fire, firefly.
    2. Electricity, torch, fire.
    3. Firefly, sun, stars.
    4. Glowworms, lamp, stars.

MARKING SCHEME

1. C
2. B
3. C
4. A
5. D
6. B
7. D
8. D
9. B
10. A
11. C
12. B
13. D
14. B
15. A
16. D
17. D
18. C
19. C
20. A
21. B
22. D
23. C
24. A
25. C
26. B
27. C
28. C
29. A
30. A
31. C
32. B
33. C
34. D
35. C
36. A
37. A
38. D
39. C
40. B
41. D
42. B
43. C
44. C
45. D
46. C
47. C
48. A
49. B
50. C

QUESTIONS

1. The function of the white blood cells in the human circulatory system is to
   1. fight disease germs
   2. help in blood clotting
   3. transport carbon dioxide
   4. carry oxygen
2. The diagram below shows a certain type of human tooth.
   
   Which one of the following is not a characteristic of the above tooth?
   1. They are eight in total
   2. It has one root
   3. It has sharp pointed edge
   4. It is used for biting and cutting
3. The most effective way of controlling sexually transmitted infections among the adolescents is by
   1. having one partner
   2. abstinence
   3. using condoms
   4. visiting the V.C.T
4. The following are ways of controlling the spread of a certain disease.
   
   1. Boiling drinking water
   2. Proper sanitation
   3. Wearing gumboots
   4. Draining stagnant water
      Which disease can be controlled by using all the above methods?
      1. Cholera
      2. Tuberculosis
      3. Malaria
      4. Bilharzia
5. The characteristics of animals demonstrated by an antelope running away from a lion is
   1. movement
   2. feeding
   3. reaction to changes
   4. excretion
6. Which one of the following is an effect of HIV and AIDS infection to the nation?
   1. Low self esteem
   2. School dropouts
   3. Increased orphans
   4. Lack of strength to work
7. A fish is able to move with ease in water due to all the following except
   1. webbed feet
   2. presence of fins
   3. streamlined body
   4. direction of scales
8. Both frog and lizard are common in that they 
   1.  lay unfertilized eggs
   2. breathe through gills and lungs
   3. have varying body temperature
   4. have scales 
9. The experiment below was carried out by std 6 learner to investigate a certain property of light.
   
   From the above experiment, one can conclude that
   1. light can be refracted 
   2. light can be reflected
   3. light travels in a straight line
   4. light travels in all directions
10. Which one of the following will not cause air pollution?
    1. Smoking cigarettes
    2. Burning tyres and plastics
    3. Aerosal sprays
    4. Decaying vegetables
11. All the following internal livestock parasites attack the liver except
    1. hookworms
    2. roundworms
    3. liver flukes
    4. tapeworms
12. The substance in tobacco that causes addiction is called
    1. nicotine
    2. tar
    3. carbon dioxide
    4. carbon monoxide
13. The following waste products are produced by the kidney except
    1. urea
    2. lactic acid
    3. excess water
    4. poisonous substances taken with food
14. Which among the following pairs of substances cannot be separated by any method of separating mixtures?
    1. Salt and flour
    2. Milk and kerosene
    3. Salt and sugar
    4. Iron filings and sand
15. The Sexually Transmitted Infection that causes blindness to unborn babies is
    1. Gonorrhoea
    2. Syphilis
    3. Chancroid
    4. HIV and AIDS
16. All the following statements describe hard water except one. Which one is it?
    1. It is water that has been boiled
    2. Forms scales on boilers tubes
    3. Forms scum when mixed with soap
    4. Good for drinking 
17. The diagram below shows the human breathing system
    
    Which one of the following will happen when the part labelled x moves downwards?
    1. Ribs move downwards and inwards
    2. Volume of chest decreases
    3. Air gets out of the body
    4. Ribs move upwards and outwards
18. Which one of the following substances has definite mass, occupies space and has definite shape?
    1. Toothpaste
    2. Ink
    3. Oxygen
    4. Chalkdust
19. The following are all ways of managing domestic wastes except
    1. making compost
    2. re-using
    3. onsite treatment
    4. reducing
20. Which of the following pairs of animals consists of only those animals with a diastema?
    1. Hippopotamus and lior
    2. Cow and Antelope
    3. Pig and chimpanzee
    4. Cheetah and leopard
21. Which one of the following animal feeds provides livestock with proteins when fed?
    1. Napier grass
    2. Maize germs
    3. Kales
    4. Desmodium
22. The set up below was used by Std 5 learners to investigate capillarity in soils. 
    
    Which of the above need not be the same?
    1. Amount of soil used
    2. Size of the cotton wool
    3. Size of soil particles
    4. Size of the tubes 
23. The following activities are all carried out to conserve soil except one. Which one is it?
    1. Terracing steep lands
    2. Planting cover crops 
    3. Ploughing across the contours
    4. Making gabions on gulleys
24. Which of the following is not a sign of ill health in livestock?
    1. Reduced yields
    2. Lower yields
    3. Loss of weight
    4. Blood in stool
25. Fertilization in human beings takes place in the
    1. oviduct
    2. ovary
    3. cervix
    4. uterus
26. Which one of the following crop pests attacks grains in the store?
    1. Aphids
    2. Stalk borers
    3. Cutworms
    4. Weevils
27. The most effective mass media to use in campaigning against the spread of HIV and AIDS in the community is
    1. chief's baraza
    2. television
    3. newspaper
    4. radio
28. Which one of the following types of food is given to a child who has brownish hair, swollen stomach and sores at corners of the mouth?
    1. Rice
    2. Termite
    3. Oranges
    4. Ripe bananas
29. The diagram below shows a set-up used to show how heat travels through liquids.
    
    Which one of the following materials cannot be placed at place marked x while carrying out the experiment?
    1. Saw dust
    2. Ink drop
    3. Tea leaves
    4. Paraffin
30. Muchiri ate stale Githeri during a school competition day. Which one of the following signs was not observed on him after
    suffering from food poisoning?
    1. Diarrhoea
    2. Severe stomach ache
    3. Fever
    4. Tooth ache 
31. The planet nearest to the earth is
    1. Venus
    2. Mars
    3. Jupiter
    4. Uranus
32. Which one of the following takes place last during the process of birth?
    1. The coming out of the afterbirth
    2. The cutting of the umblical cord
    3. Dilation of the cervi
    4. Contraction of the uterine walls
33. Thorn like leaves in xerophites plants help to
    1. reduce water loss
    2. store water
    3. get lid of excess water
    4. make plant food
34. All the following immunisable diseases can be prevented by administering DPT vaccine except
    1. polio
    2. diphtheria
    3. tetanus
    4. whooping cough
35. The beak below belongs to a
    
    1. flesh eater
    2. grain eater
    3. filter feeder
    4. nectar feeder
36. Deep V-shaped channels on the ground may lead to a type of erosion that can easily be prevented by
    1. planting cover crops
    2. mulching 
    3. making terraces
    4. building gabions
37. The main reason why infants are fed on breast milk is because it
    A. helps to improve the immunity of the baby
    B. is a wholesome meal
    C. is easy to digest
    D. contains all nutrients 
38. Which one of the following will mainly pollute corrugated iron sheet while released into the atmosphere?
    1. Vehicle exhaust fumes
    2. Dust particles
    3. Smoke and smog
    4. Industrial gases
39. 1gm piece of iron nail sinks in water  while a 100gms sufuria made of aluminum floats on water due to
    1. shape
    2. material
    3. weight
    4. size
40. Digested foods in the alimentary canal are absorbed in the
    1. small intestines
    2. stomach
    3. large intestines
    4. rectum
41. The embryo of a seed is made up of
    1. plumule and cotyledon
    2. radicle and plumule
    3. testa and seedcoat
    4. cotyledon and endosperm
42. The illustration below shows a simplified circulatory system
    
    Which pair of blood vessels carries deoxygenated blood?
    1. M and N
    2. O and P
    3. M and O
    4. P and N
43. Which one of the following is both modern and a traditional method of preserving foods?
    1. Freezing
    2. Use of honey
    3. Salting
    4. Drying
44. Which one of the following simple machine when in use has the position of the load between fulcrum and effort?
    1. Claw hammer
    2. Crowbar
    3. Wheelbarrow
    4. Spade
45. The type of cloud present in fine weather is called
    1. Niumbus
    2. Cumulus
    3. Stratus
    4. Cirrus 
46. Which one of the following weather instruments shows both direction and strength of wind?
    1. Air thermometer
    2. Windvane
    3. Windsock
    4. Liquid thermometer 
47. The following are examples of green-non-flowering plants except
    1. cypress
    2. grass
    3. fern
    4. moss
48. The attachment of the foetus to the uterine wall is called
    1. fussion
    2. implantation
    3. fertilization
    4. conception
49. Study the pie chart below that shows the composition of gases in the atmosphere
    
    Which part represents the gas that is used to make proteins in plants?
    1. Y
    2. X
    3. W
    4. Z
50. Which sign of unhealthy crop is shown in the plant below?
    
    1. Streaks
    2. Curled leaves
    3. Stunted growth
    4. Wilting

MARKING SCHEME

1. A
2. C
3. B
4. D
5. C
6. B
7. A
8. C
9. C
10. D
11. A
12. A
13. B
14. C
15. A
16. A
17. D
18. D
19. C
20. B
21. D
22. C
23. C
24. B
25. A
26. D
27. D
28. B
29. D
30. D
31. B
32. A
33. A
34. A
35. A
36. D
37. A
38. D
39. A
40. A
41. B
42. C
43. D
44. C
45. B
46. C
47. B
48. B
49. C
50. D

QUESTIONS

1. Which one of the following is not a function of the placenta?
   1. Supplies food from the mother's blood to the foetus.
   2. Produces hormones that stop pregnancy.
   3. Facilitates the transfer of waste products from the foetus to the mother.
   4. Allows exchange of oxygen and blood from the mother to the foetus.
2. The diagram below shows a type of human tooth.
   
   The function of the tooth is
   1. chewing and grinding.
   2. cutting and biting.
   3. gripping and tearing.
   4. grinding and cutting.
3. Which one of the following pairs of parts of the breathing system is involved in cleaning and warming the air?
   1. Nose and trachea.
   2. Nose and lungs.
   3. Diaphragm and trachea.
   4. Lungs and diaphragm.
4. Oxygenated blood from the lungs enters the heart through the
   1. aorta.
   2. pulmonary artery.
   3. venacava.
   4. pulmonary vein.
5. A weed has the following characteristics:
   1. Has thorns on the stem.
   2. Produces purple and white flowers. 
   3. Grows in semi-arid areas.
      The weed is likely to be
      1. mexican marigold.
      2. pigweed.
      3. sodom apple.
      4. black jack.
6. Which pair of plants below depends on animals for food?
   1. Mushroom and algae.
   2. Sundew and toadstool.
   3. Pitcher plant and venus fly trap.
   4. Mushroom and toadstool.
7. Grade four pupils classified crops using a simple chart as shown below. 
   
   Which one of the following pairs of plants represents X and Y respectively?
   1. Wheat and groundnuts.
   2. Peas and maize.
   3. Rice and greengrams.
   4. Groundnuts and peas.
8. Which one of the following groups consists only of field pests?
   1. Aphids, weaver birds, white ants.
   2. Weevils, white ants, stalkborers. 
   3. Weevils, aphids, weaver birds.
   4. Aphids, weaver birds, cutworms
9. Which pair of plants below stores food in the stems?
   1. Arrowroots and cassava.
   2. Cassava and carrot.
   3. Yams and arrowroots.
   4. Sugarcane and irish potato.
10. The following are characteristics of a certain vertebrate:
    1. Varying body temperature.
    2. Has internal fertilization.
    3. Breathes through lungs.
    4. Body covered with scales. 
       Which vertebrate is being described above?
       1. Hawk.
       2. Nile perch
       3. Turtle
       4. Whale
11. Which one of the following feeding adaptations of herbivores is not correct?
    1. Continuous replacement of molars and pre-molars replaces the worn out teeth due to constant grinding.
    2. The horny pad on the lower jaw holds food tightly against incisors while cutting grass.
    3. Molars and pre-molars are used for grinding, crushing and chewing.
    4. The toothless gap between incisors and pre-molars is used for turning vegetable materials for proper chewing.
12. Which pair of birds feeds on the same type of food?
    1. Hawk and sunbird.
    2. Weaver bird and hen.
    3. Flamingo and eagle.
    4. Chicken and sunbird.
13. Grade five pupils set the experiment shown below.
    
    Heat was transferred from W to Y through
    1. convection, conduction.
    2. conduction, convection.
    3. conduction, radiation.
    4. convection, radiation.
14. The following are maintenance practices carried out on simple tools. Which one of them is not carried out in all tools?
    1. Cleaning tools after use.
    2. Sharpening cutting edges.
    3. Proper use of tools. 
    4. Proper storage.
15. The diagram below was an activity carried out by Grade 6 pupils during a Science lesson.
    
    The properties of light the learners were investigating are
    1. bending of light and bouncing of light.
    2. bouncing of light and splitting of light.
    3. bending of light and absorption of light.
    4. bending of light and splitting of light.
16. Which one of the following is not a source of electricity?
    1. Solar panel.
    2. Biogas plant.
    3. Windmill generator.
    4. Bicycle dynamo.
17. Grade five pupils were using a simple seesaw to balance two objects as shown below.
    
    In order for both objects to balance,
    1. object J should be moved towards the pivot.
    2. object K should be moved away from the pivot.
    3. move the pivot towards object J.
    4. move the pivot towards object K.
18. Which one of the following is an example of a transluscent material?
    1. Mirror. 
    2. Oiled paper.
    3. Clear water.
    4. Kerosene.
19. Which one of the following is a safety measure against lightning?
    1. Carrying pointed objects when it is raining.
    2. Leaning on the wall.
    3. Avoiding open grounds when it is raining.
    4. Walking and playing in pools of water when it is raining.
20. Which one of the following does not help in reducing the force that hinders motion?
    1. Applying adhesives.
    2. Streamlining bodies. 
    3. Using rollers.
    4. Using oil and grease.
21. The diagram below shows the arrangement of load, effort and fulcrum in a simple lever.
    
    Which of the following levers has the same arrangement as the one shown above?
    1. Spade
    2. Crowbar
    3. Wheelbarrow
    4. Claw hammer.
22. Which of the following parasites destroys wool in sheep?
    1. Lice
    2. Fleas
    3. Mites
    4. Ticks
23. A patient was diagnosed with the following signs and symptoms:
    1. Swelling of the lymph glands.
    2. Skin wounds and ulcers on penis and rectum.
    3. Painful regular sore.
       Which sexually transmitted infection was he suffering from?
       1. Gonorrhoea.
       2. Syphilis
       3. HIV/AIDS
       4. Chancroid
24. Which one of the following consists only of farm animals that produce mutton?
    1. Goats and pigs. 
    2. Sheep and cows.
    3. Cows and goats.
    4. Sheep and goats.
25. A person infected with HIV/AIDS will look healthy and strong but test positive. The person is likely to be at what stage of HIV infection?
    1. Window
    2. Symptomatic.
    3. Asymptomatic.
    4. Full blown.
26. Which one of the following communicable diseases destroys the red cells?
    1. Tuberculosis.
    2. Malaria
    3. Typhoid.
    4. Bilharzia.
27. Which one of the following is the best advice to a person experiencing bleeding gums?
    1. Avoid sugary food substances. 
    2. Change the toothbrush and toothpaste regularly.
    3. Visit a dentist as soon as possible.
    4. Eat a diet rich in fruits and vegetables.
28. Which one of the following is not a sign of kwashiorkor?
    1. Swollen limbs and stomach.
    2. Crying often.
    3. Brown and loose hair.
    4. Potbelly.
29. Which of the following shows effects of bhang?
    1. Breathing problems and memory loss.
    2. Drowsiness and vomiting.
    3. Addiction and lack of sleep.
    4. Hallucination and addiction.
30. Which one of the following is the main reason why nursing mothers should feed on a diet rich in iron? In order to 
    1. get energy to breastfeed the baby.
    2. repair worn out tissues.
    3. strengthen and recover bones and teeth.
    4. replace blood lost during birth.
31. Which of the following foodstuffs does not constitute a balanced diet? 
    1. Chapati, greengrams, cabbage.
    2. Rice, meat stew, spinach.
    3. Ugali, termites, kales.
    4. Milk, bread, sausage.
32. The type of clouds which indicates fine weather has the following characteristics except
    1.  having flat bottoms.
    2. being white in colour.
    3. appearing high in the sky.
    4. looking like mountains.
33. The diagram below shows a weather instrument.
    
    Which of the following statements is not true? The
    1. scale reads from top to bottom.
    2. coloured liquid is used to enhance visibility.
    3. inner biropen tube is narrow to increase efficiency.
    4. instrument is placed in a place with free air movement.
34. Which pair of planets consists of the inner planets only?
    1. Earth and Mars.
    2. Jupiter and Neptune.
    3. Venus and Mars.
    4. Mercury and Venus.
35. Which one of the following pairs of animal feeds would provide an animal with fats, oils and vitamins?
    1. Lucerne and grass.
    2. Fishmeal and desmodium.
    3. Oats and concentrates.
    4. Rice husks and fruits.
36. Which two components of the environment are involved in the carbon cycle?
    1. Plants and water.
    2. Soil and air.
    3. Plants and animals.
    4. Air and plants.
37. Excess use of inorganic fertilizers pollutes
    1. soil only.
    2. water only.
    3. water and soil.
    4. air and water.
38. Which one of the following need not be the same when comparing how water rises in different soils?
    1. Size of cotton wool.
    2. Amount of soil.
    3. Diameter of the tubes. 
    4. Type of soil.
39. The diagram below was used as an experiment to investigate a certain property of matter.
    
    While investigating, the teacher held the bottle with both hands. The drop of ink was seen moving upwards. This shows that
    1. solids expand when heated.
    2. liquids expand when heated.
    3. gases expand when heated.
    4. both liquids and gases expand when heated.
40. A pupil mixed water, spirit, kerosene and cooking oil in one transparent bottle. How many layers were formed?
    1. 1
    2. 2
    3. 3
    4. 4
41. The diagram below shows the composition of air
    
    Which component can be used to put out a burning candle?
    
    1. W
    2. X
    3. Y
    4. Z
42. Which one of the following mixtures cannot be separated using a magnet?
    1. Small sticks and staple pins.
    2. Iron filings and maize flour.
    3. Thumb pins and steel nails.
    4. Copper filings and staple pins.
43. Two plastic lids of equal sizes are placed on water in a basin. Four small stones are placed on one lid and it sank while the other lid floated. This shows that
    1. shape affects sinking and floating.
    2. mass affects sinking and floating.
    3. material affects sinking and floating.
    4. size affects sinking and floating.
44. Which one of the following is a compound fertilizer?
    1. Muriate of potash.
    2. Ammonium sulphate nitrate.
    3. Double superphosphate. 
    4. Diammonium phosphate.
45. Pupils of Grade 4 carried out the activity shown below
    
    The pupils concluded that soil has
    1. organic matter.
    2. water.
    3. mineral particles.
    4. air.
46. Draining stagnant water can prevent the spread of
    1. cholera and typhoid.
    2. cholera and bilharzia. 
    3. typhoid and malaria.
    4. bilharzia and malaria.
47. Which one of the following statements is correct about water?
    1. Filtration makes water safe for drinking.
    2. Boiled hard water is safe for drinking.
    3. Soft water should not be boiled before drinking.
    4. Boiling makes hard water difficult to lather.
48. Which one of the following uses of water is not practised in the farm?
    1. Mixing chemicals.
    2. Washing toilets.
    3. Cleaning implements.
    4. Irrigation.
49. Mopping the floor using water left from laundry is
    1. recyling water.
    2. using water sparingly.
    3. reusing water.
    4. water harvesting.
50. The diagram below shows a type of soil erosion.
    
    This type of erosion
    1. occurs in gentle slopes.
    2. occurs without being noticed.
    3. develops from rills.
    4. can be prevented by planting grass.

MARKING SCHEME

1. D
2. A
3. A
4. D
5. C
6. C
7. B
8. D
9. D
10. C
11. B
12. B
13. B
14. B
15. D
16. B
17. D
18. B
19. C
20. A
21. C
22. C
23. D
24. D
25. C
26. B
27. D
28. B
29. D
30. D
31. D
32. D
33. A
34. D
35. C
36. C
37. C
38. D
39. C
40. B
41. C
42. C
43. B
44. D
45. D
46. D
47. B
48. B
49. C
50. C