QUESTION 

1. Which one of the following is not a correct statement about the process of birth in human beings?
   1. The umblical cord is tied after cutting to prevent the loss of blood
   2. The birth canal enlarges to allow the passage of foetus
   3. Contraction of the uterine wall push the foetus through the cervix
   4. Amnion sac breaks and release amniotic fluid
2. Which one of the following components of blood is correctly matched with its function?
   

   	Blood component	Function
   A.	White blood cells	Heat distribution.
   B.	Plasma	Transport oxygen
   C.	Red blood cells	Transport iron
   D.	Platelets	Blood clotting

3. The diagram below represents the human digestive system.
   
   Which one of the parts labelled W, X, Y and Z is correctly matched with its functions?
   

   	Part	Function
   A.	W	Digestion of food
   B.	X	Production of bile
   C.	Y	Absorption of water
   D.	Z	Absorption of digested food

4. The diagram below represents a certain type of human tooth. The function of the tooth is
   
   1. Grinding and tearing
   2. Crushing and biting
   3. Tearing and gripping
   4. Grinding and crushing
5. Which one of the following changes takes place during adolescence in boys only?
   1. Pimples on face
   2. Releasing of sex cells
   3. Fast body growth
   4. Shoulder and chest become broader
6. Which one of the following pairs of diseases can be prevented by adequate minerals in the diet?
   1. Rickets and anaemia
   2. Marasmus and kwashiorkor
   3. Rickets and kwashiorkor
   4. Anaemia and marasmus
7. The diagram below shows a maize grain.
   
   Which one of the labelled parts is correctly matched with its function?
   

   	Part	Function
   A.	P	Stores food
   B.	Q	Protects the inner part
   C.	R	Develops into a root
   D.	S	Develops into a shoot

8. The following are some adaptations of plants that grow in wet areas except
   1. Flexible stems
   2. Leaves with waxy upper surface 
   3. Thick leaf cuticle
   4. Broad leaves
9. A food chain in a grassland is shown below.
   Grass → Grasshoopers → Frogs → Snakes → Secretary birds
   Which one of the following would mostly likely happen immeadiately all frogs are killed?
   1. Grasshoopers would decrease in number
   2. The amount of grass would increase
   3. Snake would increase
   4. Grasshoopers would increase in number
10. The following are signs and symptoms of a certain water borne disease.
    1. Skin
    2. Vomiting.
    3. Diarrhoea
       The disease with the above signs and symptoms is likely to be
       1. Typhoid
       2. Cholera
       3. Malaria
       4. Bilhazia
11. Making fountains is a common use of water except
    1. for recreation
    2. at home
    3. in industries
    4. for transport
12. The following are ways of polluting river water except
    1. Cultivating along river bank
    2. Spraying of crops with pesticides
    3. Releasing treated sewage water into the river
    4. Use of fertilizers in farming
13. The best way of getting rid of metal cans. waste papers broken glass and empty plastics is
    1. Despositing them in pit latrines
    2. Recycling them
    3. Reusing them
    4. Reducing them
14. Which one of the following is not a communicable disease?
    1. Malaria
    2. Tuberculosis
    3. Whooping cough
    4. Cholera
15. The following are effects of refraction except?
    1. Formation of images on a mirror
    2. Ruler appearing bent in water
    3. Swimming pool appearing shallow
    4. Coin appearing raised in water
16. Adolescents can affectively control AIDS by
    1. being faithful
    2. having one partner
    3. abstinence
    4. using condoms
17. The chart below represents a simple classification of plants.
    
    Which plants are represented by P and Q
    

    	P	Q
    A.	Maize	Banana
    B.	Banana	Grass
    C.	Bean	Mucor
    D.	Conifers	Liverworts

18. When a hipopotamus basks in the sun, its
    1. body temperature rises and then falls 
    2. body temperature remains the same
    3. body temperature rises
    4. body temperature falls
19. All the following should be done when handling chemicals at home except
    1. Labelling all chemical containers
    2. Keeping chemicals away from children 
    3. Storing chemicals away from food
    4. Spraying chemicals against the wind directions
20. The diagram below shows processes W.- X, Y and Z which bring about change of state.
    
    Which two processes involve loss of heat to the sorrounding?
    1. Y and Z
    2. W and Z
    3. W and X
    4. X and Y
21. The following are effects of drug abuse:
    1. Impaired judgements
    2. Truancy
    3. Addiction
    4. Rape
    5. Marital conflicts
       Which one of them are all social effects?
       1. (ii), (iii), (iv)
       2. (ii), (iii), (v)
       3. (ii), (iv), (v)
       4. (i), (iv), (v)
22. The diagram below represents the beak of a certain bird. The bird is most likely to feed on. B. Grains
    1. Flesh
    2. Grains
    3. Nector
    4. Insects
23. The following are characteristics of a certain type of cloud except
    1. appears low in the sky
    2. is dark grey in colour
    3. rain bearing
    4. has a flat base
24. Which one of the following materials is correctly matched as good and poor
    

    	Good conductor	Poor conductor
    A.	Plastic	Glass
    B.	Rubber	Iron
    C.	Steel	Wood
    D.	Copper	Aluminium

25. The diagram below represents a weather instrument that was constructed by pupils.
    
    The mistake made in the construction was
    1. Using coloured water
    2. Placement of the scale
    3. Closing the cork tightly
    4. Using a narrow tube
26. Which one off the following is not a reason for proper storage of tools?
    1. To make them clean
    2. For tidiness in the house
    3. To prevent them from damage
    4. To prevent accidents
27. Which one of the following is an example of force?
    1. Effort
    2. Weight
    3. Push
    4. Energy
28. Food poisoning is mainly caused by
    1. micro organism and chemicals
    2. Chemicals and expiry date
    3. Micro organism and animals
    4. Bacteria and insects
29. Which one of the following methods of preserving food is heating necessary?
    1. Use of honey
    2. Salting
    3. Use of ash
    4. Canning
30. A group of pupils wanted to investigate drainage of water in different soils. Which one of the following materials was not needed?
    1. Equal amount of soils
    2. Identical tubes
    3. Equal size of cotton wool
    4. Identical funnels
31. Which one of the following is not an immediate sign of ill health in livestock?
    1. Blood in stool
    2. Rough coat
    3. Loss of weight
    4. Coughing
32. The gas used in fire extinguishers is also
    1. used by plants to make proteins
    2. used in germination
    3. used in making bulbs
    4. used in preserving soft drinks
33. Which form of energy is contained in kerosene, lemon and a battery before use?
    1. Heat energy
    2. Chemical energy
    3. Electrical energy
    4. Light energy
34. Which of the following components of the soil does not change when soil is heated?
    1. Mineral salts
    2. Organic matter
    3. Water
    4. Air
35. The following are ways of controlling internal liverstock parasites except.
    1. Rotational grazing
    2. Drenching
    3. De-worming
    4. Using acaracides
36. Which one of the following components is found in all environments?
    1. Soil
    2. Air
    3. Water
    4. Plants
37. When preparing compost manure, it is advisable to turn the compost materials three to four times in order to
    1. allow fast water penetration in the compost heap
    2. make it more attractive
    3. reduce friction on the road
    4. make it last longer
38. The diagram below shows a vehicle wheel.
    
    The main reason for the wheel having the structures labelled M is to
    1. increase grip on the road
    2. make it more attractive
    3. reduce friction on the road
    4. make it last longer
39. Which one of the following consist of magnetic materials only?
    1. steel, cobolt, aluminium
    2. copper, aluminium, tin
    3. iron, copper, tin
    4. steel, cobalt, iron
40. In an activity, two pupils of different masses balanced on a see-saw. Which one of the following statements about the position of the pupils on the see-saw is correct?
    1. Both pupils sat far away from the pivot 
    2. The lighter pupil sat closer to the pivot while the heavier pupil sat farther away from the pivot
    3. Both pupils sat close to the pivot
    4. The lighter pupil sat farther away from the pivot while the heavier pupil sat closer to the pivot
41. Which one of the following groups consists only on food crops?
    1. Bananas, sorghum, tea
    2. Sorghum, bananas, arrowroots
    3. Tea, sunflower, yams
    4. Coffee, arrowroots, green grams
42. Which one of the following pairs consists only of conserved animal feeds?
    1. Maize germ and bran
    2. Hay and maize germ
    3. Brain and silage
    4. Silage and hay
43. In an activity, pupils were asked to listen as an aircraft was flying overhead their classroom. This was to investigate
    1. effects of sound pollution
    2. amplification of sound
    3. meaning of special sounds
    4. direction of sound
44. The following are factors to consider when modelling the solar system using clay except
    1. size of the balls
    2. number of balls
    3. distance between balls
    4. mass of balls
45. To protect electricity users from being electrocuted it is advisable to
    1. avoid touching electric sockets
    2. insulate exposed electric wires 
    3. store electrical appliances in a safe place
    4. fit tall buildings with lighting arresters
46. Which one of the following is the last step when separating a mixture of soil and sugar?
    1. Evaporating
    2. Filtering
    3. Dissolving
    4. Decanting
47. Which one of the following pairs consists only of artificial sources of light?
    1. Glow worms and sun
    2. sky light and electricity
    3. gas lamp and electricity
    4. fire flies and gas lamps
48. Which of the following types of erosion cannot be cobtrolled by planting cover crops?
    1. Sheet erosion
    2. Rill erosion
    3. Gulley erosion
    4. Splash erosion
49. Which one of the following is a definite characteristics of milk and water vapour?
    1. Mass only
    2. Weight and volume
    3. Volume and mass
    4. Size and shape
50. The amount of matter in an object is best described as
    1. Volume
    2. Mass
    3. Weight
    4. Force

MARKING SCHEME

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

QUESTIONS

1. Which one of the following parts of the skin produces sweat?
   1. Sweat glands
   2. Sweat pores
   3. Sweat ducts
   4. Oil glands
2. The following are stages of reproduction in human beings:
   1. Birth
   2. Ovulation 
   3. Fertilization
   4. Implantation
      Give the correct order of the stages from the first to the last.
      1. i, ii, iv, iii
      2. ii, iii, iv, i
      3. ii, iv, iii, i
      4. iv, ii, iii, i
3. Which one of the following characteristics is not found in a cactus plant?
   1. Deep and widespread roots.
   2. Sunken stomata.
   3. Thin needle like leaves.
   4. Floating flowers.
4. During pregnancy, food nutrients pass from the mother to the foetus. Which one of the following correctly shows this process?
   1. Mother's blood → placenta → umbilical cord → foetus.
   2. Foetus → placenta → umbilical cord → mother's blood.
   3. Mother's blood → umbilical cord → placenta → foetus.
   4. Mother's blood → foetus → placenta  →  umbilical cord
5. The insturment drawn below can be used to
   
   
   1. measure the force acting on an object.
   2. compare masses of different objects.
   3. balance different objects.
   4. measure the quantity of matter contained in a substance.
6. Which one of the following animals is correctly matched to its products?
          Animal      Products
   1. Sheep      mutton, wool,mohair
   2. Cattle       dairy, beef, bacon
   3. Goat        mohair, dairy,mutton
   4. Pig           pork, milk,bacon
7. Which of the following is not true about the nose?
   1. Has hair to trap dust.
   2. Absorbs part of the air into the body.
   3. It is an entrance of air into the body.
   4. Has a moist lining of mucus to trap dust.
8. Which of the following is not an immunizable disease?
   1. Bilharzia
   2. Typhoid
   3. Hepatitis
   4. Polio
9. Three of the following are tuber crops. Which one is not?
   1. Carrots
   2. Onions
   3. Cassava
   4. Arrowroots
10. The diagram below represents the jaw of a certain herbivore.
    
    What is the importance of the part marked L to the herbivore?
    1. Prevent grass from getting stuck between the teeth. 
    2. Allows turning of vegetation for proper chewing.
    3. Holds food tightly against incisors when cutting it.
    4. To replace worn out teeth due to constant grinding.
11. Which one of the following pairs consists only of animals with moist skin?
    1. Duck and turtle
    2. Frog and duck
    3. Duck and newt
    4. Toad and salamander
12. Which one of the following factors is responsible for water logging in soil?
    1. The amount of air in it.
    2. Presence of small animals in it.
    3. Its colour.
    4. The size of the soil particles.
13. Which one of the following foods is not a source of roughages?
    1. Fruits
    2. Meat
    3. Stem tubers
    4. Whole grains
14. Which one of the following small animals cannot be found living in soil?
    1. Chameleon 
    2. Beetle
    3. Earthworm
    4. Ant
15. The type of soil erosion drawn below can be controlled by
    
    
    1. construction of cut off drains.
    2. planting cover crops.
    3. building check dams
    4. making terraces
16. A certain pupil grouped algae, conifers, mosses and fern together. Which one of the following reasons was best for this grouping? They are
    1. flowering plants.
    2. non-green plants.
    3. green non-flowering plants.
    4. non-flowering plants.
17. The following are functions of parts of a plant: 
    1. Storage of food.
    2. Transports water to the leaves. 
    3. Manufacturing of food for the plant.
    4. Absorption of water and mineral salts.
       Which function is performed by roots, stems and leaves in different plants?
       1. ii
       2. iii
       3. iv
       4. i
18. Which one of the following works on the fact that matter expards on heating?
    1. Raingauge
    2. Air thermometer
    3. Windvane
    4. Windsock
19. Frosted glass is an example of ...........................materials.
    1. opaque
    2. transparent;
    3. transparent and translucer.t
    4. translucent
20. During convection in liquids,
    1. warm water from the top moves down because it is lighter.
    2. cold water from the top goes up because it is heavier.
    3. warm water from the bottom of the sufuria moves up because it is lighter.
    4. heat is spread in all liquids.
21. Which of the following is not an effect of HIV and AIDS to the family?
    1. Shame
    2. Sadness
    3. Financial problems
    4. Social stigma
22. The diagram below shows a method of water conservation
    
    The method of water conservation shown above is
    1. re-using.
    2. using water sparingly.
    3. drip irrigation.
    4. recycling.
23. Which one of the following is incorrect of myths and misconceptions of HIV/AIDS? 
    1. People with HIV/AIDS are thin.
    2. School girls can cure AIDS.
    3. AIDS has no cure.
    4. AIDS has a cure.
24. All the following ensures a rain gauge functions effectively except
    1. a narrow measuring jar.
    2. placing it outside the weather house.
    3. placing it in a non-sheltered area.
    4. using a thick funnel
25. When investigating drainage, the soil that gives out the first drop of water
    1. has poor drainage. 
    2. is good for farming.
    3. has fine texture.
    4. cannot form ribbons.
26. Which one of the following does not pollute water?
    1. Oil spillage
    2. Aerosols
    3. Farm chemicals
    4. Run-off water
27. Which statement about matter is not true?
    1. All matter expands when heated.
    2. Expansion in solids is not great.
    3. Liquids expand more than solids.
    4. Solids expand more than gases.
28. The soil that floods easily does not
    1. crack when dry.
    2. have loose particles.
    3. have fine particles.
    4. make long ribbons.
29. The following are reasons for proper storage of tools except
    1. to make them last longer. 
    2. for easy repair.
    3. to avoid theft.
    4. to avoid accidents.
30. A pupil in Grade 4 placed a bottle top in a basin with water and it floated. He then crushed the bottle top and placed it in basin. It sank as shown below.
    
    What factor that affects floating and sinking was being investigated?
    1. Material
    2. Shape
    3. Size
    4. Weight
31. Which one of the following is not true about water collected from a borehole?
    1. Forms scum with soap.
    2. Forms milky appearance with soap.
    3. Lathers easily with soap.
    4. Has mineral salts.
32. The main purpose of coating food with honey is to
    1. prevent air and bacteria from reaching the food.
    2. keep away insects and dust.
    3. keep it at low temperature.
    4. add flavour.
33. Which one of the following is wrongly matched with its unit of measure?
    1. Mass - tonnes.
    2. Friction - newtons.
    3. Gravity - newtons.
    4. Weight - Kilograms.
34.  Which one of the following is not a method of conserving the environment?
    1. Constructing dams
    2. Terracing
    3. Planting trees
    4. Killing wild animals that destroy our crops.
35. Which one of the following crop pests is both a field and a storage pest?
    1. Cutworms
    2. Weevils
    3. Aphids
    4. Stalkborers
36. Which two major components of the environment do living things depend on directly?
    1. Air and water
    2. Animals and air
    3. Plants and animals
    4. Soil and plants
37. In a food chain, bacteria and fungi are classified as
    1. producers.
    2. primary consumers.
    3. decomposers.
    4. tertiary consumers.
38. All the following are livestock parasites except
    1. tapeworms.
    2. ringworms.
    3. roundworms.
    4. hookworms.
39. The diagram below represents a periscope.
    
    Which of the letters C, D, E and F represent the position of the image as seen by the observer?
    1. C
    2. D
    3. E
    4. F
40. Which one of the following is not part of a beam balance?
    1. A pivot
    2. An arm
    3. A base
    4. Two hanging stones
41. Which of the following is not part of the digestive system?
    1. Trachea
    2. Mouth
    3. Stomach
    4. Rectum
42. The diagram below represents a set up that was used to demonstrate a certain aspect of matter
    
    The aspect being demonstrated was
    1. convection in water.
    2. conduction in different solids.
    3. expansion in solids and liquids.
    4. conduction in water.
43. Three of the following materials sink in water. Which one does not? A 
    1. long wire
    2. small stone
    3. maize cob
    4. small piece of wire
44. What is the effect of cutting the stigma in a flower?
    1. Fertilisation does not take place.
    2. Ovules form
    3. Ovaries do not produce ovules
    4. Fruits form
45. Study the solar system below.
    
    What is planet P and Q respectively?
    1. Saturn and Neptune
    2. Jupiter and Uranus
    3. Uranus and Jupiter
    4. Mars and Neptune
46. Which animals below are wrongly matched?
    

    Vertebrates	Invertebrates
    Spider	crab
    Tilapia	dog
    Sunbird	worm
    Snake	tick

    1. Spider and dog 
    2. Tilapia and crab
    3. Sunbird and tick
    4. Snake and tick
47. Weight is defined as
    1. the amount of space occupied by a substance.
    2. mass per unit volume.
    3. the gravitational pull of an object.
    4. the quantity of matter in a substance.
48. Which one of the following is not a means of water transport?
    1. Ferry
    2. Ship
    3. Boats
    4. Skiing
49. HIV cannot be transmitted through the following fluids except
    1. tears.
    2. urine.
    3. breast milk.
    4. mucus.
50. Grade 4 pupils spread soil on a flat surface as shown below.
    
    What were they trying to investigate?
    1. Water in soil
    2. Air in soil
    3. Living organisms in soil
    4. Mineral particles in soil

MARKING SCHEME

QUESTIONS

1. The function of the large intestine in the human digestive system is to
   1. absorb water and minerals
   2. store food and wastes
   3. produce intestinal juice
   4. store undigested food
2. Food nutrients and oxygen are transported to the foetus by the
   1. amniotic fluid
   2. umbilical cord
   3. uterine wall
   4. placenta
3. Which one of the following pairs of animal feeds provide animals with energy?
   1. Sunflower heads and salt licks
   2. Wheat husks and bone meal
   3. Sunflower seeds and maize germ
   4. Maize germ and bone meal
4. The following are ways of conserving water except
   1. harvesting rain water
   2. filtering dirty water
   3. recycling water
   4. reusing water
5. The diagram below show changes of state of matter.
   
   Which two processes require absorption of heat from surrounding?
   1. i and ii
   2. iii and iv
   3. ii and iv
   4. i and iii
6. Which one of the following consists of matter that has a definite mass, indefinite shape and indefinite volume?
   1. Toothpaste, grease and water
   2. Air, honey and plastic
   3. Oxygen, air and smoke
   4. Soil, sugar and chalk dust
7. A certain sexually transmitted infections has the following signs and symptoms
   1. burning sensation
   2. discharge of smelling pus
   3. pain in the lower abdomen in females
   4. blindness in babies
      The disease is likely to be
      1. gonorrhea
      2. syphilis
      3. chancroid
      4. genital herpes
8. Which one of the following statements about HIV and AIDS is true?
   1. It can be treated by vaccination
   2. It is prevented by proper hygiene
   3. During window stage one tests positive
   4. Spreads through deep kissing
9. On a seesaw, a small boy can lift a big boy when
   1. the small boy stands on it
   2. big boy moves closer to the pivot
   3. both boys to sit equal distances
   4. the two boys to interchange positions
10. Which one of the following steps of separating mixtures can best be used to separate a mixture of husks, sand and salt?
    1. Winnowing, dissolving, filtering and evaporating
    2. Magnetism, sieving, dissolving and evaporating
    3. Picking, sieving, dissolving and evaporating
    4. Dissolving, filtering and evaporating
11. Which one of the following is not an advantage of using manures and fertilizers? 
    1. Rapid growth of weeds
    2. High crop yields
    3. Quick ripening of fruits
    4. Increased size of seeds and grains
12. The following statements are all correct about current electricity except
    1. clectricity can be stored
    2. water and graphite are both good conductors of electricity
    3. a fuse is a safety device that prevents overheating of wires
    4. all tall buildings should be fitted with copper arresters
13. The following materials can be used to increase the force that acts between two surfaces except
    1. coarse sand
    2. marbles
    3. sawdust
    4. murram
14. Which one of the following reasons for maintaining simple tools is only for efficiency?
    1. Proper storage of tools
    2. Proper use of tools
    3. Sharpening cutting tools
    4. Cleaning tools after use
15. Which one of the following sources of water pollution is likely to increase the growth of weeds in a nearby river?
    1. Acid rain
    2. Excessive use of farm chemicals
    3. Oil spills
    4. Floods
16. Which one of the following effects of drugs are correctly grouped?
    1. Addiction, withdrawals and truancy
    2. Rape, school dropout and death
    3. Violence, fits and marital conflicts
    4. Impaired judgement, withdrawal and fits
17. The following are stages of parturition, but not in correct order
    1. dilation of cervix and birth canal 
    2. tying and cutting of umbilical cord 
    3. contraction of uterine wall
    4. amnion sac burst
    5. expelling of afterbirth
    6. pushing of the baby
       Which of the following is the correct order of the stages?
       1. iii, i, iv, vi, ii, v
       2. i, ii, iii, iv, v, vi
       3. i, iii, iv, vi, ii, v
       4. iii, i, vi, iv, ii, v
18. The following were used to investigate a certain factor that affects sinking and floating:
    • hammer
    • water
    • basin
    • metallic bottle top
      Which factor was being investigated?
      1. Size of an object
      2. Type of material
      3. Shape of an object
      4. Weight of material
19. The following are components of air and their uses. Which one is correctly matched?
    1. 21% - photosynthesis
    2. 0.97%-preservation of food
    3. 0.03%-burning substances
    4. 78%-formation of proteins
20. Grade six learners set up the experiment shown below.
    
    What was their observation after a few minutes?
    1. Air occupies space
    2. Water level in the basin dropped
    3. Water occupies space
    4. Oxygen support burning
21. Which one of the following materials are correctly grouped?
            Non-magnetic materials                  Magnetic materials
    1. Copper, aluminium, steel                    Iron, platinum, magnetic tape
    2. Bronze, brass, zinc                             Gold, copper, aluminium
    3. Copper, zinc, aluminium                     Tin, cobalt, sicel
    4. Plastic, weed, nubber                         Zinc, alnico, plastic
22. The diagram below shows a weather instrument.
    
    Which one of the following statements is not correct about the instrument above?
    1. It measures two aspects of weather
    2. It uses the principal of matter in motion
    3. A biro cap is used to allow free rotation
    4. The arrow head should be narrow than the tail head
23. The following are practices that helps to control the spread of water-borne diseases.
    1. cleaning hands after visiting toilets
    2. wearing gumboots while walking in stagnant water
    3. covering pit latrines after use
    4. washing fruits and vegetables eaten raw v) draining stagnant water
       Which practices helps to control both cholera and typhoid?
       1. i, ii and iii
       2. v, iv and ii
       3. ii, iii and iv
       4. iv, iii and i
24. Which one of the following pests are correctly matched with the nature of damage it causes?
    1. Aphids - make holes in the stems
    2. Cutworms - cut stems of seedlings
    3. Stalkborer - make holes in roots
    4. Weevils-suck sap from leaves
25. The diagram below represent a certain plant.
    
    Which of the following features is not an adaptive characteristic of the plant shown?
    1. It has thorns instead of leaves
    2. Stems are green to make food 
    3. Has air sacs that decrease transpiration
    4. Has deep roots that spread a lot
26. Which one of the following pairs of activities is heat used?
    1. Making plant food and using iron
    2. Drying grains and cooking
    3. Keeping pests away and drying clothes
    4. Produce electricity and communication
27. Which one of the following only consists of sources of electricity?
    1. Solar panel and dry cells
    2. Torch cells and car engines
    3. Bicycle dynamo and dams
    4. Bulbs and torches
28. Which one of the following foods can be preserved by both drying and smoking?
    1. Vegetables and fruits
    2. Milk and fruits
    3. Meat and fish
    4. Vegetables and milk
29. Deep trenches that form V-shaped valleys are most likely to have been caused by
    1. splash erosion
    2. gulley erosion
    3. landslide
    4. rill erosion
30. Which one of the following groups of foodstuffs consists of a balanced diet?
    1. Chapati, milk, peas and beans
    2. Fish, irish potatoes, kales and beans
    3. Cabbage, sweet potatoes, carrots and rice
    4. Termites, green bananas, spinach and rice
31. Which one of the following is a type of manure that is made by chopping leguminous plants and ploughing them back to the soil?
    1. Compost manure
    2. Organic mulches
    3. Farmyard manure
    4. Green manure
32. Which one of the following animals are correctly grouped?
    Constant body temperature            Varying body temperature
    1. Snakes, birds, frogs                    Whale, tilapia, trou
    2. Shark, chicodile, tal                     Hawk, chicken, tand
    3. Ducks, platypus, pat                   Tilapia, gecko, newt
    4. Whale, salamander, newt            Snakes, lizards, shark
33. Which one of the following parasites are only internal parasites?
    1. Lungworms, hookworms and tapeworms 
    2. Ticks, tsetseflies and mites
    3. Liverfluke, fleas and hookworms
    4. Roundworms, tapeworms and louse
34. The set-up below was used to investigate an aspect of light.
    
    Which one of the following aspects was being investigated?
    1. Making a rainbow
    2. Bending of light
    3. How light travels
    4. Reflection of light
35. Which one of the following is true about all veins? They
    1. carry oxygenated blood
    2. have valves
    3. have pulses
    4. have thick walls
36. Which one of the following livestock feed substances provide calcium minerals?
    1. Salt licks, fishmeal, sunflower seeds
    2. Bonemeal, fishmeal, salt licks
    3. Fishmeal, sunflower seeds, cotton seeds
    4. Cotton seeds, bonemeal, salt licks
37. The following chart shows a simple classification of crops.
    
    The crops represented by i, ii, iii and iv are likely to be
                i                ii             iii            iv
    1. Cassava Beans Groundnuts Maize
    2. Sorghum Orange Avocado Coconut
    3. Potato Greengrams Pawpaw Sisal
    4. Carrots Peas Sunflower Cotton.
38. Which one of the following plants are only non-green non-flowering?
    1. Algae, moss, conifers
    2. Mushroom, toadstool, puffball
    3. Grass, maize, beans
    4. Lichen, moss, fern
39. Which one of the following correctly explains an insect pollinated flower?
    1. Brightly coloured, sticky stigma hanging outside
    2. Dull petals, feathery with nectaries
    3. Few pollen grains, flat sticky stigma, brightly coloured
    4. Small in size, sweet smell, a lot of pollen grains
40. Which one of the following animals provides mutton and wool?
    1. Goats
    2. Sheep
    3. Cattle
    4. Carmel
41. Which one of the following is not an importance of animals in the environment? 
    1. Produces oxygen that is used by plants during germination
    2. Burrows in the soil to allow acration
    3. Helps in breaking soil particles
    4. Makes the soil fertile by adding humus
42. Clouds that are found high in the sky are also likely to have
    1. white colour
    2. dark grey colour
    3. irregular in shape
    4. low in the sky
43. The set-up below was used by grade five learners to investigate a certain aspect.
    
    What were they investigating?
    1. Convection in liquids
    2. Melting of substances
    3. Conduction of heat in different solids
    4. Radiation in liquids
44. Which one of the following childhood diseases are correctly matched with the age at which they are administered?
    1. 6 weeks-Tuberculosis, rota virus, whooping cough, poliomyelitis
    2. 10 weeks-lockjaw, diphtheria, pertussis, poliomyelitis 
    3. At birth-pertussis, hepatitis, tuberculosis, polio
    4. 9 months-meningitis, yellow fever, measles, rubella
45. Grade 6 learners performed the experiment below.
    
    What was their conclusion?
    1. Effects of smoking tobacco
    2. Damp cloth became dark
    3. The plate started burning
    4. Glass container was full of smoke
46. The following descriptions explains a certain stage of HIV infection.
    • tests positive
    • has no AIDS
    • one can transmit virus
      Which one of the following is another description of the above stage?
      1. One has weak immune system
      2. May also test negative
      3. One lacks appetite
      4. Looks healthy
47. Draining stagnant water and clearing bushes around our homesteads is useful for the prevention of
    1. bilharzia
    2. cholera
    3. malaria
    4. tuberculosis
48. The following are practices that can lead to spread of HIV except
    1. cating together with infected person from a common plate
    2. sharing sharp piercing objects
    3. transfusion of unscreened blood
    4. sharing body fluids such as milk from mother's breast
49. Which of the following consists of translucent materials only?
    1. Air, light cloth, white sheet of paper, glass
    2. Window panes, clear water, plastic, mirror 
    3. Metallic sheet, milk, dirty water, smoke
    4. Frosted glass, bathroom window panes, light, cloth, white paper
50. The diagram below was used to investigate a certain aspect.
    
    What aspect was being investigated??
    1. Convection in air
    2. Convection in liquids
    3. Transfer of heat in vacuum
    4. Movement of smoke Box

MARKING SCHEME

QUESTIONS

1. Which one of the following diseases is a child immunized against Oyrs, 1¹/₂months, 2¹/₂ months and 3¹/₂ months after birth?
   1. Yellow fever
   2. Poliomyelitis
   3. Measles
   4. Tuberculosis
2. The following diseases are correctly matched with their causes except
              Disease         Cause
   1. Gonorrhoea       Virus
   2. Syphilis             bacteria
   3. Genital Herpes  Virus
   4. Chancroid         bacteria
3. Which one of the parts of the reproductive system have the same function?
   1. Ovary and penis
   2. Ovary and testis
   3. Urethra and uterus
   4. Uterus and cervix
4. A plastic glass was inverted over water in a basin as shown in the diagram below. It was observed that the water did not enter the glass.
   
   Water can be made to enter the plastic glass by
   1. adding more water in the basin 
   2. reducing the size of the glass by cutting.
   3. placing a heavy stone at the bottom of the glass
   4. making a hole at the bottom of the plastic glass.
5. Which one of the following pairs of forms of energy can be transmitted in a vacuum?
   1. Sound and electricity
   2. Eletricity and light
   3. Heat and light
   4. Light and sound
6. Which part of the human breathing system is involved in the exchange of gases?
   1. Air sacs
   2. Bronchus
   3. Mouth
   4. Nose
7. Which of the following groups of foods would provide nutrients suitable for a patient suffering from Rickets?
   1. Irish potatoes, sugarcane, guavas, peas
   2. Sweet potatoes, arrow roots. sorghum, oranges
   3. Millet, liver, fish, milk
   4. Spinach, cassava, mangoes, carrots
8. A pupil was walking towards the Southern direction past a hospital and noticed a windsock stretching to her left. In which direction was the wind blowing from?
   1. West
   2. North
   3. East
   4. South
9. The following are signs and symptoms of diseases
   1. Violent diarroea
   2. Constipation
   3. Dehydration
   4. Blood in urine and faeces
   5. Stomach pains
      Which signs and symptoms are for cholera
      1. ii, iii, v
      2. iii, iv, v
      3. i, v, ii
      4. i, v, iii
10. Pupils from Mosocho primary school assembled the following materiais. A mirror, clear water, a white sheet of paper and a basin. What were they likely to investigate?
    1. Apparent bending of light
    2. Bouncing of light
    3. Making a rainbow
    4. Dispersion
11. The following are plants growing in wet area except
    1. boabab
    2. butter cup
    3. water lettuce
    4. duck weed
12. Which of the diagram below shows convection as a method of heat transfer in liquids?
    
13. Which one of the following is a use of the component of air that makes 0.97%?
    1. Used in burning
    2. used in preserving soft drinks
    3. Used by plants to make proteins
    4. Used in electric bulbs
14. Which one of the following is NOT an effect of crop diseases?
    1. Reduced yields
    2. Reduced quality produce
    3. Increase cost of production
    4. Stunted growth
15. The following are signs of ill health in livestock noticed immediately by the farmer except
    1. loss of weight
    2. blood in stool
    3. coughing
    4. rough coat
16. The chart below shows a simple classification of vertebrates
    
    The animals represented by X and Y respectively are
               X             Y
    
    1. Trout       Dove
    2. Newt       Shark
    3. Turtle      Eagle
    4. Rat         Crocodile
17. The following statements are true about simple machines except. They 
    1. reduce workdone
    2. increase effort distance
    3. reduce effort required
    4. help us to do work conviniently
18. Which one of the following electrical appliances is NOT used at home?
    1. Torch
    2. Refrigerator
    3. Electric iron 
    4. Welding machine
19. Two pupils, Mwende and Njeru wanted to find out the soil sample that retains more water. They added equal amounts of water to clay and sand. The set up was as shown in the diagram below
    
    What mistakes did they make when setting the experiment?
    1. Using different amount of soils
    2. Using similar funnels
    3. Using collecting jars of different sizes
    4. Adding equal amounts of water
20. Which one of the following pairs consists of substances which have definite size?
    1. Steam and wax
    2. Wax and ink
    3. Flour and oxygen
    4. Glue and neon
21. Which one of the following consists of only characteristics of wind pollinated flowers?
    1. Brightly coloured petals, nectary, small in size
    2. Large anthers, large feathery stigmas, light powdery pollen grains.
    3. Green petals, anthers firmly attached to the filament, stigma hanging outside
    4. Scented, large in size, dull in coloured
22. Which one of the following is NOT true about farm yard manure? it
    1. bind soil particles
    2. improve air circulation in the soil
    3. improve the ability of the soil to hold water
    4. release nutrients very fast to the soil
23. Which one of the following components of the environment covers a large part of the earths surface?
    1. Water
    2. Air
    3. Soil
    4. Plants
24. Which one of the following effects of drug abuse consists of only health effects?
    1. Drug induced accidents and withdraw symptoms,
    2. Impaired judgement and truancy
    3. Loss of consciousness and addiction
    4. Rape and lack of concentration
25. The diagram below represents a beak of a certain bird
    
    The bird represented is a
    1. fish eater
    2. nectar feeder
    3. grain eater
    4. filter feeder
26. Which one of the following is most likely reason why some pregnant mothers crave for soil? To
    1. provide sufficient mineral salts
    2. increase breast milk production after giving birth
    3. help in digestion of food 
    4. provide sufficient iron
27. Insectivorous plants grow in areas
    1. containing enough water
    2. lacking nitrogenous salts
    3. lacking water
    4. containing enough flies
28. Which one of the following is not a way of storing water?
    1. Dams
    2. Pots
    3. Jerry can
    4. Pipes
29. Which one of the following describe soil texture?
    1. The way the soil drains water 
    2. The way water remain in the soil.
    3. The coarseness and smoothness of soil
    4. The rising and dropping of water in the soil
30. The following are methods of food preservation. Which methods are in the part marked X
    
    
    1. use of low temperature, drying
    2. drying, canning
    3. salting, smoking
    4. freezing, drying
31. Which one of the following pairs of plant is correctly matched with their roots?
          Fibrous            Tap
    1. Acacia          onion
    2. Coconut       blackjack
    3. Cabbage      maize   
    4. Cowpeas    Sugarcane     
32. Which one of the following planets are in the 4th and 7th position from the sun?
    1. Earth and saturn
    2. Saturn and mars
    3. Uranus and jupiter
    4. Mars and uranus
33. The following are methods of separating mixtures of solids only except
    1. picking
    2. winnowing
    3. filtering
    4. sieving
34. Which one of the following statements about a beam balance is correct? The hole for the pivot must be
    1. very small
    2. very wide
    3. on the left
    4. wide enough
35. The diagram below show a simple machine in use
    
    To reduce the effort required to raise the stone the length between
    1. Land M is increased
    2. Land K is increased 
    3. K and M is decreased
    4. Land Mis decreased
36. The following are factors to consider when comparing solubility of solids in a liquid except
    1. temperature of the solute
    2. size of the container used
    3. amount of the solvent
    4. amount of the solute
37. Which one of the following cannot be used to reduce the force that opposes motion?
    1. Retreading
    2. Streamlining
    3. Greasing
    4. Smoothening
38. The diagram below shows an experiment carried out by std 4 pupils to investigate pressure in liquids
    
    What was their correct observation? 
    1. Pressure in liquids decrease with increase in depth
    2. Pressure in liquids is the same at all levels
    3. Pressure in liquids increase with increase in depth.
    4. Pressure in liquids is exerted in all directions
39. Which one of the following groups of animals feeds help the animals in the body building?
    1. Lucern, cats
    2. Glycine, sunflower
    3. Nappier grass, sweet potato vines 
    4. Desmodium, lucern
40. Which one of the following is an adaptation to animals that fly and swim?
    1. Streamlining
    2. Presence of wings
    3. Strong hind legs
    4. Webbed feet
41. Which one of the following is a reason why gaps are left in a railway line? 
    1. To prevent rail users from shock 
    2. To allow expansion and contraction
    3. For the train to move freely
    4. To reduce the speed of the train
42. The following are practices for mantaining simple tools except
    1. Storing in a safe place
    2. Greasing
    3. Sharpening
    4. Cleaning after use
43. Newton is not a unit for
    1. weight
    2. force
    3. mass
    4. friction
44. Which of the following gases take the lowest parcentage?
    1. Inert gases and carbon dioxide
    2. Inert gases
    3. Carbon dioxide and oxygen.
    4. Nitrogen and oxygen
45. Which one of the following weather instruments is wrongly matched with its working principle
    

    	Instrument	Working principle
    A	Windvane	Matter occupies space
    B	Windsock	Matter occupies space
    C	Raingauge	Matter occupies space
    D	Air thermometer	Matter expand and contract

46. A boat made of metal floats in water while a nail sink due to its
    1. material
    2. weight
    3. size
    4. shape
47. The diagram below shows a set-up that can be used to investigate a certain property of matter
    
    What was being investigated?
    1. Liquids are bad conductors of heat
    2. Water contains air
    3. Expansion and contraction of liquids
    4. Liquids contain organic matter
48. When the heart of a mammal contracts, blood in the left ventricle is forced out
    1. through the pulmonary artery
    2. into the left auricle
    3. through the aorta
    4. through the pulmonary vein
49. In which of the following are both materials wrongly grouped as non-magnetic and magnetic
    

    	Non-magnetic	Magnetic
    A	Silver	Iron
    B	Steel	copper
    C	Aluminium	nickel
    D	Zinc	cobalt

50. HIV/AIDS can be controlled by the following ways except
    1. campaigns through media
    2. creating public awareness
    3. mass education
    4. keeping it secret among members

MARKING SCHEME

QUESTIONS

1. Which one of the following food stuffs cannot be preserved by smoking?
   1. Meat
   2. Green vegetables
   3. Mushroom
   4. Fish.
2. Three of the following are importance of breast feeding except that breast milk
   1. is readily available
   2. is at the right temperature
   3. boosts immunity of the baby
   4. is free from germs.
3. Which one of the following groups consists of non living major components of the environment?
   1. Buildings and rocks.
   2. Soil and water.
   3. Plants and animals.
   4. Cattle and buildings.
4. Which one of the following is a health effect of drug abuse?
   1. Addiction
   2. Martial conflicts
   3. Rape
   4. Truancy.
5. The following are the characteristics of the cumulus cloud except
   1. dark grey in colour
   2. looks like a bundle of cotton wool
   3. indicates fine weather
   4. mountains with flat base.
6. Which one of the following is not a way of conserving water?
   1. Harvesting water.
   2. Recycling water.
   3. Using water sparingly.
   4. Using flood irrigation.
7. Which one of the following is not a source of electricity?
   1. Dam
   2. Dynamo
   3. Dry cell
   4. Geothermal generator.
8. The diagram below represents a certain type of a human tooth.
   
   The function of the above tooth is
   1. grasping
   2. tearing
   3. biting
   4. grinding.
9. Which one of the following components of air varies most from time to time?
   1. Water vapour
   2. Carbon dioxide
   3. Nitrogen
   4. Oxygen.
10. All the following are effects of force except
    1. changing the shape of an object
    2. changing the state of matter of something
    3. Increasing the speed of a moving object
    4. stopping a moving object.
11. Which one of the following is an example of a insectivorous plant?
    1. Butterwort
    2. Moss
    3. Liverwort
    4. Ferns.
12. Which one of the following shapes of the moon is seen in the morning before dawn?
    
13. Pupils assembled the following materials to make a certain weather instrument.
    1. A long strong pole.
    2. A strong string.
    3. Wire.
    4. A strong big polythene bag.
       The weather instrument that was made measures
       1. temperature
       2. rainfall
       3. direction and strength of wind
       4. direction of wind only.
14. Which one of the following diseases is a child immunised against at birth, sixth week and fourteenth week after birth?
    1. Tuberculosis
    2. Poliomyelitis
    3. Yellow fever
    4. Measles.
15. Which one of the following is an effect of excessive use of farm chemicals?
    1. Formation of acidic rain.
    2. Interferes with the process of plants making their own food.
    3. Damages roofs made of corrugated iron sheets.
    4. Growth of weeds in water.
16. Which one of the following pairs of materials are magnetic?
    1. Razor blade, glass, dry wool.
    2. Cobalt, steel wool, staple pins.
    3. Tin, copper, aluminium.
    4. Wood, rubber, glass.
17. Which one of the following materials has definite volume but do not have definite shape?
    1. Oxygen
    2. Water vapour
    3. Chalk
    4. Kerosene.
18. The percentage of air in the atmosphere which is used by legumes to make nutrients is
    1. 0.03%
    2. 78%
    3. 21%
    4. 0.97%
19. The flow chart below shows a simple classification of farm animals and their Products.
    
    Which products are represented by letters O and P respectively?
    

    	O	P
    A	Milk	Beef
    B	Wool	Mutton
    C	Milk	Wool
    D	Mutton	Milk

20. Candle wax floats on water mainly because of its
    1. material
    2. shape
    3. size
    4. weight.
21. Which one of the following weeds cannot be effectively controlled by uprooting?
    1. Mexican marigold
    2. Black jack
    3. Wandering jew
    4. Oxalis
22. Which one of the following groups consists of cash crops only?
    1. Maize, millet, sorghum.
    2. Rice, beans, sweet potatoes.
    3. Banana, arrowroots, cotton.
    4. Sisal, sunflower, tea.
23. Which one of the following pairs forms of energy does not require a medium for transmission?
    1. Health and electricity.
    2. Sound and light.
    3. Light and heat.
    4. Electricity and sound.
24. The diagram below shows parts of a flower.
    
    Which part provides food to the germinating pollen tube?
    1. Y
    2. Z
    3. S
    4. X
25. Which one of the following materials stores energy in the same way as firewood?
    1. Wind driven turbines
    2. Solar panel
    3. Car battery
    4. Dynamo.
26. Which one of the following groups of food items consists of protective foods?
    1. Oranges, carrots, green vegetables.
    2. Beans, potatoes, groundnuts.
    3. Wheat, millet, fish.
    4. Maize, eggs, beef.
27. Shallow channels were observed on a farm on a hill side. The best way to control this is by
    1. constructing gabions
    2. constructing terraces
    3. planting cover crops
    4. mulching.
28. The diagram below shows a set up that was used to investigate a certain component of soil.
    
    The component of soil that was being investigated is
    1. water
    2. air
    3. humus
    4. mineral salts.
29. Which one of the following is not a recreational use of water?
    1. Sailing boats.
    2. Boat racing.
    3. Surfing
    4. Sport fishing.
30. The soil in which water rises the highest also
    1. has coarse particles
    2. has large air spaces
    3. drains water least
    4. is poor for farming.
31. In which one of the following pairs of processes is heat lost in the environment?
    1. Condensation and freezing. 
    2. Melting and condensation. 
    3. Evaporation and melting
    4. Freezing and evaporation.
32. Which one of the following materials allows light to pass through but one cannot see through clearly?
    1. Plane mirror
    2. Milk
    3. Frosted glass
    4. Dirty water.
33. Malaria can best be controlled by 
    1. sleeping in treated nets
    2. draining stagnant water around homesteads
    3. taking anti malaria tablets
    4. killing mosquitoes using pesticides.
34. A child with swollen arms, legs, face and stomach should be given food stuffs rich in
    1. starch
    2. oils
    3. proteins
    4. mineral salts.
35. Which one of the following practices conserves soil?
    1. Using dry grass for mulching.
    2. Burning vegetation cover.
    3. Ploughing along slopes.
    4. Burying inorganic materials soil.
36. Three of the following changes take place during adolescence in both boys and girls except
    1. production of sex cells
    2. appearing of pimples
    3. increase in size and weight
    4. on set of menstruation.
37. Venus is the brightest planet because it
    1. twinkles at night
    2. reflects light from the sun
    3. produces its own light
    4. has a mass of glowing gases
38. Which one of the following statements is true about HIV and AIDS?
    1. It is not spread during window stage. 
    2. All HIV positive people have AIDS.
    3. During window stage. a person may test negative.
    4. ARVs drugs can cure HIV and AIDS.
39. The diagram below shows a set up that was used to investigate a certain component of energy.
    
    Which component was being investigated?
    1. Good and poor conductors of heat.
    2. Rate of conductivity in solids.
    3. Expansion and contraction in solids.
    4. Melting of solids.
40. Which one of the following activities increases friction?
    1. Streamlining shapes of objects.
    2. Lubricating moving parts.
    3. Putting treads on tyres.
    4. Making surfaces smooth.
41. The diagram below shows parts of the human digestive system.
    
    Which one of the following parts is wrongly matched with its function?
    1. P-Absorption of water.
    2. L-Absorption of mineral salts.
    3. K-Mixes food with enzymes.
    4. M-Passage of food to the stomach.
42. Which one of the following pairs consists of field pests only?
    1. White ants and aphids.
    2. Rats and weevils.
    3. Cutworms and weaver birds.
    4. Rodents and stalkborers.
43. Which one of the following is not a practice for maintaining simple tools?
    1. Keeping tools safely.
    2. Sharpening cutting tools.
    3. Oiling moving parts.
    4. Using tools for proper purpose.
44. Which one of the following simple machines has the effort in between the load and the fulcrum when in use?
    1. Crowbar
    2. Spade
    3. Wheelbarrow
    4. Claw hammer.
45. Which one of the following pairs of parasites can be controlled by dipping?
    1. Ticks and tapeworms.
    2. Liverflukes and fleas.
    3. Tape worms and hookworms
    4. Ticks and fleas.
46. Class 6 pupils gave the following reasons as to why dairy cattle are given concentrates.
    1. To increase production.
    2. To supplement other feeds. 
    3. To treat certain diseases. 
    4. To substitute other feeds.
    5. To give specific nutrients.
       Which two reasons are correct?
       1. (iv) and (v)
       2. (iii) and (i)
       3. (ii) and (iv)
       4. (i) and (v)
47. The blood vessel through which oxygenated blood flows from the heart is
    1. pulmonary artery
    2. pulmonary vein
    3. aorta
    4. venacava.
48. A pupil mixed steel wool, sand and salt. Which one of the following will be the best procedure of separating the mixture after using the magnet?
    1. Sieving, dissolving, evaporating.
    2. Filtering, dissolving, sieving.
    3. Picking, sieving, filtering.
    4. Dissolving, filtering, evaporation
49. The diagrams below represents electric circuits.
    
    
    In which circuit will the bulb light when the circuit is switched on?
    1. (i)
    2. (ii)
    3. (iii)
    4. (iv)
50. The force that pulls objects downward towards the centre of gravity is
    1. weight
    2. volume
    3. density
    4. inertia.

MARKING SCHEME

QUESTIONS

1. A child suffering from anaemia should be fed on food rich in,
   
   1. carbohydrates
   2. calcium
   3. iron
   4. proteins. 
2. Which component of blood transport nutrients to all parts of the body?
   
   1. White blood cells.
   2. Plasma.
   3. Platelets.
   4. Red blood cells.
3. Tuberculosis is caused by
   
   1. bacteria
   2. virus
   3. fluke
   4. germ.
4. In which part of the human digestive system does absorption of water and mineral salts occur?
   
   1. Small intestines.
   2. Colon.
   3. Stomach.
   4. Rectum.
5. To avoid spreading cholera, the person infected should
   
   1. observe cleanliness.
   2. sleep in an isolated place
   3. exercise to lose weight
   4. drink alot of water.
6. Which one of the following is not a correct statement about male reproductive system?
   
   1. Scrotum encloses the testis.
   2. Epididymis stores sperms.
   3. Urethra allows urine only out of the body.
   4. Glands produces fluids.
7. The diagram below shows electric cables left sagging when erecting poles and cables.
   
   The main reason for leaving the cables sagging is to
   
   1. prevent electric shock-
   2. make them visible
   3. allow room for expansion
   4. allow room for contraction.
8. Which one of the following vaccines is administered on lower part of left arm of an infant?
   
   1. BCG
   2. DPT
   3. Anti-polio
   4. Anti-measles.
9. Which animal feed is harvested when it is about to flower and stored in silos when still green?
   
   1. Hay.
   2. Fodder.
   3. Legumes.
   4. Silage.
10. All the following are physical changes that occurs in adolescent girls only except
    
    1. breasts enlarges
    2. hips broaden
    3. experiences wet dreams
    4. experiences menstrual flow.
11. Which one of the following is the best weather for washing clothes and winnowing?
    1. Windy and sunny.
    2. Sunny and calmy.
    3. Windy and rainy.
    4. Calm and windy.
12. Which one of the following animals live partly in water and partly on land, have a moist skin without scales and are cold blooded?
    
    1. Newt.
    2. Lizard.
    3. Chameleon.
    4. Turtle.
13. The following are reasons for preserving food except
    
    1. to be available when out of season
    2. to preserve it from being spoilt 
    3. to reduce wastage
    4. to make it cheap.
14. From the food chain below, tertiary consumers are represented by
    Plants → zebra → lion → vulture
    
    1. Vulture
    2. Plants
    3. Lion.
    4. Zebra.
15. Which part of the plant transports food from the leaves to other parts of the plant?
    
    1. Root
    2. Leaf.
    3. Branch.
    4. Stem.
16. All the following are factors affecting the pitch of a sound except
    
    1. length of the material.
    2. type of material
    3. thickness of the material
    4. colour of the material.
17. The diagram below represents a home made water filter
    
    Which material is represented by letter X?
    
    1. Fine sand.
    2. Charcoal.
    3. Coarse sand.
    4. Pebbles.
18. Which one of the following is not a way of taking care and maintaining simple tools?
    
    1. Proper use of tools.
    2. Cleaning after use.
    3. Sharpening all tools.
    4. Proper storage.
19. One of the following pairs consist of field pests. Which one is it?
    1. Stalkborers and aphids.
    2. Weaver birds and weevils.
    3. Rodents and cutworms.
    4. White-ants and stalkborers:
20. Which one of the following is a use of the component that makes up 0.03% of air in the atmosphere?
    
    1. Burning.
    2. Photosynthesis.
    3. Combustion.
    4. Germination.
21. Which one of the following pairs of processes is as a result of increase in temperature?
    
    1. Melting and freezing.
    2. Freezing and evaporation.
    3. Evaporation and melting.
    4. Condensation and freezing.
22. The diagram below represents a raingauge
    
    Why is part of the raingauge placed 30cm above the ground? To
    
    1. prevent water on the ground from splashing into the funnel
    2. prevent evaporation of collected water
    3. provide firm support
    4. withstand the harsh weather conditions.
23. Lucerne as a constituent of balanced diet to animals is a source of
    
    1. vitamins
    2. proteins
    3. carbohydrates
    4. minerals.
24. All the following are reasons why animals move from one place to another except
    1. to look for food
    2. to escape harsh weather conditions
    3. to run away from friends
    4. to look for shelter.
25. The soil that is best in capillarity also
    
    1. is best in drainage
    2. is best in farming
    3. spreads easily because of it's texture
    4. used in modelling.
26. In which one of the following practices is water re-used?
    
    1. Repairing leaking taps and pipes.
    2. Collecting rain water from the roofs.
    3. Storing water in dams to use in irrigation.
    4. Watering plants with water that has been used to wash vegetables in the kitchen.
27. Which one of the following groups of food stuffs consists of energy giving foods only?
    
    1. Maize, meat, bread.
    2. Chapati, egg, mango.
    3. Bread, green bananas, potatoes.
    4. Green bananas, peas, rice.
28. The highness or lowness of sound is called
    
    1. pitch
    2. volume
    3. mass
    4. sound amplification.
29. The list below consists of sources of light
    
    1. Torch
    2. Sun
    3. Candle
    4. Firefly
    5. Electricity
    6. Lamp
    7. Moon
    8. Glowworm
       Which list consists of natural sources only?
       
       1. i, iv, vi
       2. vii, ii, iii
       3. viii, iv, ii
       4. v, ii, vi,
30. All the following are factors that affect sinking and floating of objects except
    
    1. type of material
    2. shape
    3. weight
    4. size.
31. One of the following is not a safety measure when dealing with electricity. Which one is it?
    
    1. By not touching switches with wet hands.
    2. By not overloading sockets.
    3. By not sheltering under trees when raining.
    4. By not putting wires, pencils and even sticks in sockets,
32. A ruler inside a glass of water appear bend due to
    
    1. refraction
    2. reflection
    3. dispersion
    4. evaporation.
33. Class four learners set up the experiment below to investigate a certain aspect of pressure in liquids
    
    What conclusion could the learners make from the set-up?
    
    1. Pressure in liquids is greatest at the bottom.
    2. Pressure in liquids is equal at the same depth.
    3. Pressure in liquids increases with depth.
    4. Liquids exert pressure in all directions.
34. Which method can best be used to separate rice from a mixture of rice and maize?
    
    1. Winnowing.
    2. Sieving.
    3. Filtering.
    4. Decanting.
35. Which weed has purple and white flowers, yellow fruits and sharp thorns in the stem and leaves?
    
    1. Pigweed.
    2. Sodom apple.
    3. Wandering jew.
    4. Mexican marigold.
36. Which one of the following pairs consists of external animal parasites only?
    
    1. Roundworm and hookworm.
    2. Fleas and tsetse flies..
    3. Liverflukes and ticks.
    4. Fleas and tapeworm.
37. All the following are major components of environment.except
    
    1. water
    2. animals
    3. light
    4. air.
38. The diagram below shows a flower
    
    In which of the labelled parts of a flower does the process of germination of pollen grains take place?
    
    1. X
    2. Y
    3. O
    4. P
39. The following are effects of force except
    
    1. increase speed
    2. stop objects
    3. start motion
    4. change state of matter.
40. Which type of soil erosion causes landslides, not easily noticed and occurs on gentle slopes?
    
    1. Rill.
    2. Sheet.
    3. Gulley.
    4. Splash.
41. Which one of the following is not an importance of water in a diet?
    
    1. Helps in getting rid of waste products.
    2. Helps in making blood.
    3. Helps in digestion.
    4. Helps in provision of proteins.
42. The planet that has visible rings around it is called
    
    1. Saturn
    2. Mercury
    3. Venus
    4. Jupiter.
43. All the following are sources of electricity except
    
    1. georthermal generators
    2. solar energy
    3. bulb
    4. bicycle dynamo.
44. The diagram below represents a lever
    
    Which one of the following shows the correct names of part L, Q and P?
    
    1. Pivot, load, effort.
    2. Fulcrum, effort, load.
    3. Effort, pivot, load.
    4. Load, fulcrum, effort.
45. The main reason why coloured water is used in the construction of a liquid thermometer is to
    
    1. increase its density
    2. increase its expansion
    3. make it visible
    4. make it absorb more heat.
46. Which of the following lists consists of non-magnetic materials only?
    
    1. Cobalt, copper, silver.
    2. Zinc, brass, aluminium.
    3. Silver, chromium, alinico.
    4. Brass, copper, tin.
47. All the following are advantages of friction except
    
    1. sharpening
    2. erasing
    3. produces unwanted heat
    4. walking.
48. When choosing a method of separating a mixture of a liquid and a solid it is important to consider the
    
    1. density of the liquid
    2. weight of the solid
    3. solubility of the.solid
    4. size of particles of solid.
49. Which one of the following best describe the term environment?
    
    1. The home of a human being.
    2. Land and atmosphere.
    3. The surrounding of a living thing.
    4. Living animals and plants.
50. Three of the following are main parts of a sperm except
    
    1. tail
    2. head
    3. nucleus
    4. ovary.

MARKING SCHEME

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