QUESTIONS

1. The chart shows classification of plants;
   
   Which plants are correctly matched by letters labelled M, N and Q respectively?
   1. Sugarcane, tomato, pawpaw
   2. Potato, fern, puffball
   3. Orange, mushroom, pine
   4. Maize, millet, sorghum
2. The following are symptoms observed on an individual who was infected with HIV infection;
   1. Loss of body weight
   2. Persistent cough
   3. Skin rashes
      The person was likely in which stage of HIV infection?
      1. Full blown stage
      2. Asymptomatic stage
      3. Symptomatic stage
      4. Window stage
3. The medicine that remains after completing a dose should be
   1. thrown in a pit latrines
   2. shared with other family members
   3. kept in locked cupboard for future use
   4. returned to hospital
4. Which one of the following is a pair of communicable diseases only?
   1. HIV and AIDS and kwashiorkor
   2. Tetanus and anaemia
   3. Malaria and tuberculosis
   4. Tuberculosis and kwashiorkor
5. The diagram below shows a root of plant;
   
   Which plant does not have the root drawn above?
   1. Millet
   2. Rice
   3. Wheat
   4. Spinach
6. The diagram below shows an improvised weather instrument;
   
   The weather instrument was found to give wrong readings. Which mistake was like to have been done when constructing?
   1. Using a measuring cylinder that was calibrate
   2. Rising the raingauge 15cm above the ground
   3. Keeping the raingauge in an open ground
   4. Using a wide funnel to collect it rain water
7. Which planets given consist of 2nd, 5th and 7th planets in the solar system respectively?
   1. Venus, Mars, Neptune
   2. Venus, Earth, Saturn
   3. Venus, Jupiter, Uranus
   4. Venus, Mars, Uranus
8. In which parts of the body does the absorption of water and mineral salts take place?
   1. Mouth
   2. Small intestine
   3. Large intestine
   4. Stomach
9. The diagram drawn below shows an experiment set up to investigate a certain component of soil;
   
   Which component of soil was being investigated?
   1. Living organisms in soil
   2. Air in the soil
   3. Humus in the soil
   4. Water in the soil
10. The following are characteristics of a certain weed;
    1. Short and thick stem
    2. Has swollen roots
    3. Pink flowers
       The weed described likely to be
       1. wandering jews
       2. pig weed
       3. mexican marigold
       4. oxalis
11. The following are signs and symptoms of a certain waterborne diseases;
    1. Skin rashes
    2. Itching of the bowls
    3. Blood in the urine and faeces
       The disease described above can be prevented through three of the following way except one. Which one is it?
       1. Proper sanitation
       2. Draining stagnant water
       3. Wearing gumboots
       4. Vaccination
12. Transfer of heat from a jiko in room to the far end of the room takes place through
    1. conduction and radiation
    2. radiation only
    3. conduction only
    4. convection radiation
13.  Which material given are correctly grouped?
    

    	Opaque	Transparent	Translucent
    A	clear glass	shoes	air
    B	dirty water	clear glass	skylight
    C	mirror	clear water	frosted glass
    D	oiled paper	air	oiled paper

14. The following are materials collected to investigate a certain aspect of light;
    1. Source of light
    2. Water in a basin
    3. Ruler
       Which aspect was being investigate?
       1. Reflection of light
       2. Making a rainbow
       3. Dispersion of light
       4. Refraction of light
15. The following are characteristics of matter
    1. Expand when heated and contract when cooled
    2. Occupy space
    3. No definite shape
    4. Definite volume
       The types of matter described above are most likely to be
       1. sugar and salt
       2. water vapour and flour
       3. porridge and paraffin
       4. sand and water
16. The pie chart shown below shows composition of air;
    
    Which component of air labelled is used during combustion?
    1. J
    2. i
    3. h
    4. G
17. In which part of the human reproductive system does fertilization take place?
    1. Birth canal
    2. Ovary
    3. Uterus
    4. Fallopian tube
18. The soil that has best water holding capacity has three of the following characteristics except;
    1. highest capillarity
    2. fine texture
    3. small particles
    4. large air space
19. Which animal is correctly matched with its products?
    1. Poultry - Eggs and wool
    2. Cattle - Mutton and milk
    3. Sheep - Beef and milk
    4. Goat - Milk and mutton
20.  The flow chart shows a certain group of plants. Which one are wrongly classified?
    
    
    1. Acacia, cypress, mould
    2. Mould, cypress, beans
    3. Fern, sisal, pine 
    4. Acacia, sisal, fern
21. Which one of the following animals is not correctly matched with its way of protecting itself from enemies?
    1. Snail - Hiding in shells
    2. Millipede - Coiling
    3. Wasp - Gliding
    4. Scorpion - Stinging
22. Which of the following characteristics does not help desert plants to reduce amount of water loss?
    1. Stomata closure.
    2. Losing leaves
    3. Thick waxy cuticle
    4. Deep roots
23. Class four pupils classified farm animals according to their product as shown below;
    
    Which products were wrongly classified?
    1. A,B,C
    2. B, G, C
    3. B, F, H
    4. E, A,H
24. Which of the following statements is true?
    1. Tools should be cleaned after use 
    2. A stainless knife can easily rust
    3. Oiling prevent tools from drying
    4. Tools should be properly cleaned before use
25. Pupils observed the following characteristics of clouds in the sky;-
    1. Covered the whole sky 
    2. Thick and feathery
    3. Mountainous in shape 
    4. Had flat base
    5. Dark grey in colour
       Which characteristics describe nimbus clouds?
       1. ii, v, i
       2. iv, i, iii
       3. iii, i, v
       4. i, iv, ii
26. The following are methods of using energy sparingly except;
    1. using traditional jiko
    2. using vehicle with low fuel consumption 
    3. switch off lights when not in use
    4. walking when travelling short distance
27.  The following are signs of ill health in animals except;
    1. low income
    2. rough coat
    3. reduced yield
    4. blood in the stool
28. The following describes fertilization in plants but not in the correct order. Choose the correct order,
    1. Pollen tube forms
    2. Pollen tube breaks
    3. Pollen grain land on stigma
    4. Ovule develops into seeds
    5. Pollen grain fuses with ovule
       1. iii, i, ii, v, iv
       2. iii, v, iv, ii, i
       3. iii, i, v, iv, ii
       4. iii, i, v, ii, iv
29. Which of the following is an effect of air pollution on non living thing?
    1. Acid rain kill soil micro organisms and other animals that live in soil after dissolving
    2. Industrial gases dissolves in rain water and causes harm to corrugated iron sheets
    3. Industrial gases causes respiratory diseases to humans
    4. Acid rain destroyed plant leaves
30. A standard six pupil used a bucket to pour water at different points on a stanting soil surface. Which of these soil erosion methods were they demonstrating?
    1. Wind erosion
    2. Sheet erosion
    3. Gulley erosion
    4. Rill erosion
31. Study the diagram below and use it to answer question 31.
    
    The parts marked BCD respectively are
    1. ureter, urethra, urinary bladder
    2. ureter, gall bladder, urethra
    3. urethra, urinary bladder
    4. ureter, urinary bladder, urethra
32. An illness of the stomach brought about by cating food that contains harmful substance is called
    1. food contamination 
    2. food poisoning
    3. food spoilage
    4. food illness
33. The reason why a breast feeding mother requires sufficient iron in the diet is to
    1. help in digestion and protect the baby against diseases
    2. replace blood lost during birth
    3. help in formation of strong bones in the baby
    4. increase milk production
34. Which one of the following components of air is correctly matched to its percentage?
         Nitrogen          Carbondioxide
    1. 0.97                     78
    2. 21                      0.03
    3. 78                      0.03
    4. 78                      0.97
35.  The experiment below shows that
    
    
    1. air has mass
    2. air occupies space
    3. matter contracts on cooling
    4. air expands when heated
36. Below is an experiment conducted by class eight pupils;
    
    Pupils used the experiment to conclude that 
    1. the viewer can see through both pipes
    2. light travels in all direction
    3. light passes in a bent pipe
    4. light travels in a straight line
37. The following are steps followed when constructing a beam balance but not in the correct order;
    1. Find the balancing points of the arm
    2. Fix the arm on the stand
    3. Suspend the tins onto the stand
    4. Make a hole on the arm
       Which is the third step?
       1. Suspend the tins onto the stand
       2. Find the balancing points of the arm
       3. Fix the arm on the stand
       4. Make a hole on the arm
38. Class 4 pupils were spreading soil on a flat surfaces and observing. What were they trying to investigate?
    1. Air in soil
    2. Mineral particles
    3. Water in soil
    4. Living organism in soil
39. Which of the following consists of materials which have a definite shape only?
    1. Sawdust, chalkdust, soil
    2. Soil, glue, ink
    3. Toothpaste, soda, glue
    4. Stones, water, nitrogen
40. Which one of the following cannot help in maintaining dental hygiene?
    1. Using a toothpick
    2. Eating carrots and sugarcane regularly
    3. Brushing the teeth regularly
    4. Avoiding eating sugary foods
41. Which of the following statement is correct about parts of human breathing system?
    1. Trachea warm the air
    2. Lungs allows exchange of gases
    3. Diaphragm increase in size during breathing in
    4. Bronchus has mucus and hair that cleat the air
42. The diagram below shows part of a mammalian heart;
    
    The blood vessels V, K, Q and H respectively are
    1. venacava, pulmonary vein, pulmonary artery, aorta
    2. Pulmonary, vein, pulmonary artery, venacava, aorta
    3. venacava, pulmonary artery, aorta, pulmonary vein:
    4. Pulmonary artery, venacava, aorta, pulmonary vein
43. Which one of the following groups of animals consists of reptiles only?
    1. Salamander, frog, toad, newt
    2. Crocodile, lizard, newt, turtle
    3. Platypus, snake, turtle, bat
    4. Tortoise, crocodile, snake, lizard
44. The following materials are needed to make a certain weather instrument;
    1. Rubber band
    2. Glass bottle
    3. Manilla paper
    4. A beaker
    5. A wooden stand
    6. A biro pen tube 
    7. Coloured water
       Which one of the following weather instrument can be made using the above materials?
       1. Windsock
       2. Raingauge
       3. Liquid thermometer
       4. Air thermometer
45. Which of the following diseases is correctly matched to its cause?
    1. Rickets - Lacks of vitamin C in the diet
    2. Marasmus-Lack of enough balanced diet 
    3. Kwashiorkor-Lack of calcium in the diet
    4. Anaemia-Lack of fibre and minerals salts in the diet
46. Which one of the following is not a method of maintaining tools?
    1. Sharpening cutting edges
    2. Planting them regularly
    3. Cleaning them after use
    4. Greasing and oiling metallic parts
47. When a metal spoon is fitted with a plastic handle the plastic
    1. makes the spoon look smart.
    2. makes the spoon a better conductor
    3. makes the spoon longer
    4. serves as an insulator
48. Class four pupils wanted to investigate a property of soil using the following material;"
    1. Dry soil
    2. Candle
    3. Container
    4. Lid
       The property of soil being investigate was that soil has
       1. living organism
       2. air
       3. organic matter
       4. water
49. Which one of the following parts of material is suitable for making wheels?
    1. Bottle top, maize cob
    2. Marble, boxes
    3. Block of wood, round stick
    4. Block of wood, bottle top
50. Which one of the following happens when light rays pass from one medium to another?
    1. Diffraction
    2. Refraction
    3. Dispersion
    4. Reflection

MARKING SCHEME

QUESTIONS

1. Which of the following sets of teeth in human beings is used for chewing?
   1. Pre-molars and molars.
   2. Canines and incisors.
   3. Incisors and premolars.
   4. Canines and molars.
2. The following activities take place during breathing out except
   1. ribs move downwards and inwards.
   2. volume of the chest decreases.
   3. diaphragm flattens.
   4. lungs shrink.
3. Which one of the following statements about the circulation of blood in human beings is correct? The
   1.  auricles receive blood from the body.
   2. walls of ventricles are thicker than the walls of the auricles.
   3. the valves in the heart and veins prevent the flow of blood.
   4. the pulmonary vein carries oxygenated blood from the heart to the left ventricle.
4. Which of the following vaccines is administered when an infant is six weeks old?
   1. First dose of BCG.
   2. First dose of diphtheria.
   3. Second dose of polio.
   4. Second dose of BCG
5. Which of the following drugs are not prohibited in Kenya?
   1. Mandrax, Bhang, Cocaine.
   2. Khat, heroine, cobbler's glue.
   3. Tobacco, Khat, alcohol.
   4. Alcohol, miraa, cocaine.
6. The diagram below shows a weather instrument.
   
   A part of the rainguage is buried underground in order to
   1. collet more rainwater.
   2. reduce the chances of evaporation.
   3. make correct readings.
   4. avoid rusting.
7. Which one of the following phases of the moon is not clearly visible from the earth?
   1. Gibbous.
   2. New moon.
   3. First quarter.
   4. Full moon.
8. Which one of the following water borne diseases is likely to lead to severe dehydration?
   1. Typhoid.
   2. Bilharzia.
   3. Cholera.
   4. Malaria.
9. Which one of the following practices does not help to conserve water?
   1. Mulching.
   2. Re-using.
   3. Recycling dirty water.
   4. Covering stagnant water with oil to kill mosquito larvae.
10. Which of the following consists only of natural sources of light?
    1. Stars, planets, moon.
    2. Firefly, glow worms, stars.
    3. Lamps, candle, fire.
    4. Moon, firefly, sun.
11. The following are ways of lighting a house except
    1. fixing windows.
    2. using translucent roofs.
    3. using electric lamps.
    4. use of solar heaters.
12. Which one of the following is not a safety precaution when handling current electricity?
    1. Do not overload sockets.
    2. Repair electrical appliances while unplugged.
    3. Buildings under electric lines should not be too tall.
    4. Avoid touching sockets with wet hands.
13. Grade 6 pupils carried the following items for a practical lesson:
    1. Water.
    2. Basin.
    3. White manilla paper.
    4. Mirror.
       The aspect of light they were likely to investigate was
       1. dispersion of light.
       2. reflection of light.
       3. refraction of light.
       4. how light travels.
14. The chart below shows a simple classification of plants.
    
    The plants representing Q and R respectively are
    1. maize and puffball.
    2. moss and oxalis.
    3. cactus and algae.
    4. mushroom and moulds.
15. In which of the following parts of the breathing system does the exchange of gases take place?
    1. Nose.
    2. Trachea.
    3. Lungs
    4. Bronchus.
16. Which one of the following is not a source of current electricity?
    1. Dry cells.
    2. Water fall.
    3. Dynamo.
    4. Solar panel.
17. Which one of the following is an opaque material?
    1. Frosted glass.
    2. Car windscreen
    3. Milk.
    4. Skylight.
18. Which one of the following is the main reason for using organic manure? In order to
    1. provide plant nutrients in the right amount.
    2. provide specific nutrients.
    3. release plant nutrients to the soil immediately.
    4. improve the ability of the soil to hold water.
19. Which one of the following objects can sink or float on water depending on its shape?
    1. Wood.
    2. Piece of charcoal.
    3. Razor blade.
    4. Stone.
20. The pie chart shown below shows approximate percentages of air.
    
    Which gases are used in electric bulbs and making plant food?
    1. S and T
    2. R and S
    3. Q and T
    4. R and Q
21. Which one of the following statements is correct about HIV/AIDS?
    1. During window stage, a person may test positive.
    2. During incubation, a person may test positive with no signs.
    3. A person develops AIDS at symptomatic stage.
    4. Some herbs are capable of treating HIV.
22. Through which of the following processes does a liquid change to a solid?
    1. Melting.
    2. Evaporation.
    3. Condensation.
    4. Freezing.
23. Which one of the following sets of plants has similar root systems?
    1. Maize, sorghum, peas.
    2. Grass, rice, millet.
    3. Wheat, maize, kales.
    4. Cowpeas, rice, beans
24. Which one of the following is not true about all states of matter? Matter
    1. occupies space.
    2. has a definite shape.
    3. has mass.
    4. contracts when cooled.
25. Which pair of methods of separating mixtures below is suitable for separating solid mixtures only?
    1. Winnowing and picking.
    2. Dissolving and using a magnet.
    3. Filtering and sieving.
    4. Evaporation and decantation.
26. Which one of the following small animals help in soil aeration?
    1. Moles and ants.
    2. Houseflies and bees.
    3. Termites and butterflies.
    4. Earthworms and grasshoppers.
27. Which of the following materials can be used to complete a circuit?
    1. Cellotape.
    2. Wollen thread.
    3. Biro pen casing.
    4. Pencil lead.
28. The diagram below shows a block of wood being pushed along a surface towards point X.
    
    Which one of the arrows represents the direction of the force of friction?
    1. J
    2. K
    3. L
    4. M
29. Which one of the following animals lays eggs, breathes by lungs and has a consiant body temperature?
    1. Frog.
    2. Tortoise,
    3. Hen.
    4. Seal.
30. Which one of the following fodder crops contains proteins?
    1. Kales.
    2. Luceme.
    3. Napier grass.
    4. Millet.
31. Which one of the following is a disadvantage of stall feeding as a system of rearing dairy cattle?
    1. Animals occupy a small space.
    2. Manure accumulates fast.
    3. There is little feed wastage.
    4. Too much labour is required.
32. Which of the following pair of liquids below will not form a uniform solution?
    1. Water and kerusene.
    2. Water and milk.
    3. Methylated spirit and milk.
    4. Kerosene and cooking oil.
33. The diagram below shows a simple machine.
    
    The fulcrum is labelled
    1. J
    2. K
    3. L
    4. M
34. Below are some activities that pollute the environment:
    1. Burning tyres.
    2. Using diesel driven generators.
    3. Spraying farm chemicals.
    4. Oll spillage.
       Which pair of activities pollutes water
       1. i and ii
       2. i and iii
       3. ii and iv
       4. iii and iv
35. Which one of the following is a description of black jack? It
    1. has seeds which have hooks.
    2. has a bad smell.
    3. has succulent stems and a fibrous root system.
    4. has fruits with thorns.
36. Which of the following is the most suitable foodstuff for a child suffering from kwashiorkor?
    1. Fish, carrot, oranges.
    2. Bert, milk, watermelon.
    3. Green vegetables, milk, chicken.
    4. Beef, cowpeas. liver.
37. The diagram below shows a bean seed.
    
    Water and air enter the seed through
    1. G
    2. H
    3. J
    4. K
38. Which one of the following parasites does not attack the lungs?
    1. Flukes.
    2. Roundworms.
    3. Hookworms.
    4. Lungs.
39. The texture of a soil type is determined by the
    1. size of its particles.
    2. amount of water in it.
    3. amount of humus in it.
    4. amount of mineral particles in it.
40. The purpose of using rollers to move a. load is to
    1. increase the force required to push the load.
    2. reduce the force that hinders the movement of the load.
    3. make the load lighter.
    4. control the direction of the movement of the load.
41. Which one of the following is not a practice for maintaining simple tools?
    1. Oiling and greasing
    2. Using them for the right purpose.
    3. Sharpening cutting edges.
    4. Storing in a safe place.
42. Which one of the following groups of materials consists only of non-magnetic materials?
    1. Nickel, aluminium, copper.
    2. Plastic, copper, aluminium.
    3. Paper, iron, glass.
    4. Staples, chalk, iron.
43. Which one of the following does not allow sound to pass through?
    1. Air.
    2. Water.
    3. Vacuum.
    4. Wood.
44. Which one of the following pairs of foodstuffs is preserved by smoking, salting and drying?
    1. Meat and mushrooms.
    2. Beans and fish.
    3. Mushroom and beans.
    4. Beef and fish.
45. Which one of the following weeds has green purple leaves?
    1. Pig weed.
    2. Mexican marigold.
    3. Oxalis.
    4. Wondering jew.
46. A millipede protects itself by
    1. coiling.
    2. stinging.
    3. withdrawing into the shell.
    4. running away.
47. Which one of the following diseases can be prevented by drawing away stagnant water?
    1. Cholera and malaria.
    2. Malaria and bilharzia.
    3. Typhoid and bilharzia.
    4. Typhoid and cholera.
48. Which of the following shows a pair of major components of the environment?
    1. Plants and light.
    2. Water and soil.
    3. Animals and heat.
    4. Air and buildings.
49. Below are changes that takes place during adolescence:
    1. Hips broaden
    2. Beards
    3. Onset of menses
    4. Wet dreams
    5. Change of voice
       Which pair of changes take place in boys only?
       1. i and iii
       2. iii and iv
       3. iv and v
       4. ii and iii
50. Which one of the following methods of grazing is suitable in a small piece of land?
    1. Stall feeding.
    2. Paddocking.
    3. Strip grazing.
    4. Herding.

MARKING SCHEME

QUESTIONS

1. The carbon dioxide carried during blood circulation is removed from the blood stream in the _______________________
   
   1. Aorta
   2. Left auricle
   3. Lungs
   4. Rightauricle
2. Which of the following units cannot be used for measuring the mass of an object?
   
   1. Newtons
   2. Gram
   3. Kilogram
   4. Tonne
3. The collecting bottle in simple raingauge is placed 30cm above the ground level to _________________________
   
   1. Obstruct the wind
   2. Make it easily visible
   3. Collect as much rainwater as possible
   4. Prevent the water on the ground from splashing into the funnel.
4. The extent to which a type of soil tells smooth or rough is called __________________________
   
   1. Soil capillarity
   2. Soil texture
   3. Drainage
   4. Water retention
5. Many farmers keep bees in their orchards because bees __________________________
   
   1. Make the fruits sweet by injecting honey
   2. Help in cross-pollination
   3. Kill harmful insects
   4. Drive away thieves who come to steal the fruits
6. During birth aring of muscle called the _________________________ relaxes
   
   1. Vagina
   2. Oviduct
   3. Cervix
   4. Ureter
7. Which of the following disease is not an S.T.I?
   1. Meningitis
   2. Genital herpes
   3. Chancroid
   4. Gonorrhoea
8. A Std 5 pupil while walking in a nearby swampy area saw roots that were above the ground. What is the name of the roots the pupil saw?
   
   1. Hair roots
   2. Prop roots
   3. Aerial roots
   4. Fibrous roots
9. A peer group is a ___________________________
   
   1. Group of pupils in the same class
   2. Group of people playing together
   3. Group of people of the same age
   4. Group of people with the same interest
10. Which is the correct order of the blood passing through the heart
    
    1. Aorta → Pulmonary vein → Venacava → Pulmonary Artery
    2. Aorta → Venacava → Pulmonary artery → Pulmonary vein
    3. Venacava → Pulmonary vein → Aort → Pulmonary artery
    4. Venacava → Pulmonary artery → Pulmonary vein → Aorta
11. The following diagram represents an air thermometer. What is likely to happen on a hot day?
    
    
    1. Liquid water in the straw rises
    2. Liquid water in the straw drops
    3. Liquid water in the beaker drops
    4. No changes occurs
12. Std 7 pupil in Chegul Primary School studied the feeding relationship in the following: pawpaw flower, eagle, butterfly, chameleon. Which of the following shows the correct food chain?
    
    1. Nectar → Butterfly → Eagle→ Chameleon
    2. Nectar → Eagle → Butterfly → Chameleon
    3. Nectar → Butterfly → Chameleon → Eagle
    4. Nectar → Chameleon → Butterfly → Eagle
13. A fish is able to float in water because ______________________
    1. It has a streamlined body
    2. It has fins
    3. It has a swim bladder
    4. Presence of scales
14.  Gabions are also called ______________________
    
    1. Porous dams
    2. Impervious dams
    3. Champions
    4. Porous rocks
15. Three of the body parts listed below are related. Which is the odd one out?
    
    1. Sweat glands
    2. Dermis
    3. Epidermis
    4. Ureter
16. Kamau has a swollen cheek. He feels much pain everytime he rinses his mouth with cold water or warm water. What teeth disease does Kamau have?
    
    1. Gingivitis
    2. Cavities
    3. Dental carries
    4. Bleeding gums
17. Which one of the following is not true about the external parasites?
    
    1. They cause skin irritation to the animal
    2. They are found within the body of the animal
    3. They may cause anaemia to the animal 
    4. They are found outside the animals body
18. Std 7 pupils took science walk to a nearby pod. One of the pupils poured a tin of oil into the water. They returned after a few days and found all the fish had died. What is the most likely reason for this?
    
    1. The fish had been killed by other animals 
    2. The oil contains poisonous substances
    3. Water is necessary for all living things 
    4. Oil polluted the water in the pod and reduced the amount of oxygen in the water
19. In which category does a maize plant belong?
    
    1. Mesophytes
    2. Grass plants
    3. Xerophytes
    4. Hydrophytes
20. Which one of the following methods of preserving food is both a traditional and modern method?
    
    1. Drying
    2. Salting
    3. Canning
    4. Smoking
21. Which substance is found in tobacco that makes it addictive to the user?
    
    1. Carbon monoxide
    2. Tar
    3. Nicotine
    4. Carbon dioxide
22. The diagram below shows a balloon that was tied to a bottle and then dipped in a container with hot water
    
    Which of the following is not true about the above?
    1. Air occupies space
    2. Matter expands on heating
    3. Hot air rises
    4. Air has weight
23. Which one of the following substances would work best  to reduce friction in door hinges?
    
    1. Water
    2. Grease
    3. Paraffin
    4. Milky water
24. Changing gas to solid is referred as __________________________
    
    1. Solidifying
    2. Sublimation
    3. Liquefying
    4. Condensation

Study the diagram below and answer question 25:-

25. What type of pollination is demonstrated by the diagram above
    
    1. Cross pollination
       
    2. Self pollination
    3. Insect pollination
    4. Wind pollination
26. We say liquids are miscible when they _________________________
    
    1. Do not mix
    2. Mix for sometime
    3. Mix completely
    4. Mix partially
27. Which one of the following is a magnetic material?
    
    1. Iron
    2. Aluminium
    3. Copper
    4. Zinc
28. Which part of the plant is usually affected by spots and streaks?
    
    1. Root
    2. Stem
    3. Leaf
    4. Flower
29. Which is the most effective way of preventing S.T.I?
    
    1. Use of condoms
    2. Abstinence
    3. Mutual monogamy
    4. Talking to your partner
30. Which two letters in the diagram below stands for the major blood vessels?
    
    
    1. B and D
    2. Cand D
    3. A and C
    4. A and D
31. The use of the earth wire is to ________________________
    
    1. Carry excess electricity to the ground
    2. Resist large electric currents
    3. Help in lighting houses which do not have wires
    4. Prevent lighting from striking houses
32. Which of the following shows the inner planets
    1. Mercury, Mars, Earth
    2. Saturn, Neptune, Pluto 
    3. Jupiter, Saturn, Uranus
    4. Mercury, Mars, Pluto
33. The following are plant nutrients which one is a micro-nutrient.
    
    1. Calcium
    2. Iron
    3. Potassium
    4. Nitrogen

Use the diagram below to answer question 34.

34. Which component of soil is being tested above?
    
    1. Soil has air
    2. Soil contains water
    3. Soil can burn
    4. Soil contains organic matter
35. The difference between the planet Venus and other planets is that _________________________
    
    1. It rotates clockwise
    2. It rotates anticlockwise
    3. It is the biggest planet
    4. It is the smallest planet
36. Which one of the following groups of weather instruments works on the principle that matter expands on heating and contracts on heating?
    1. Barometer and windvane
    2. Thermometer and raingauge
    3. Thermometer and hygrometer
    4. Thermometer and windsock
37. Which one of the following is not a form of ear protection?
    
    1. Earphones
    2. Ear defenders
    3. Earplugs
    4. Earmusts
38. Mr. Mwangi saw a child basking in the sun. Which disease is the child least likely to suffer from?
    
    1. Marasmus
    2. Beriberi
    3. Scurvy
    4. Rickets

Use the diagram below to answer question 39:-

39. The name of the gas represented by the sector with 0.03% is _______________________
    
    1. Nitrogen
    2. Oxygen
    3. Carbondioxide
    4. Inert gases
40. Which one of the following is a useful non-green plant?
    
    1. Athletes foot
    2. Dandruff
    3. Ringworm
    4. Yeast
41. The bush near Mahua primary is inhibited by locusts, snakes and lizards. Which food chain shows the correct feeding relationship among the animals?
    1. Leaves → Locusts → Lizards → Snakes
    2. Snakes → Lizards → Locust → Leaves
    3. Leaves → Locust → Snakes → Lizard
    4. Snakes → Locust → Lizards → Leaves
42. Which blood component is wrongly matched with its function?
    
    1. Plasma-Carries water product from the body to the excretory organs
    2. Red cells-Carry carbon dioxide from the rest of the body to the lungs
    3. White cells-Protect the body against disease causing germs
    4. Platelets-Help in the clotting of blood
43. Which of the following mixtures can be separated using a magnet?
    
    1. Sand and maize
    2. Milk and water
    3. Water and paraffin
    4. Sand and iron powder
44. Which weed is used as a vegetable by many communities in Kenya?
    
    1. Oxalis
    2. Wandering jew
    3. Pigweed
    4. Mexican marigold
45. Group of stars makes some patterns on the sky. These patterns are called ________________________
    
    1. Astronomers
    2. Constellation
    3. Meteors
    4. Shooting stars
46. In the following set up different soils were put in funnels and placed on 3 bottles of the same size.
    
    Which soil had the best drainage or released the most water in the shortest time when equal amount of water is added in each soil..
    1. B
    2. C
    3. D
    4. None
47. When we shake some soil in a bottle of water and then allow it to settle, which of the following will form the topmost layer?
    
    1. Water
    2. Fine soil
    3. Organic matter
    4. Inorganic matter
48. Which of the following would make the best mirror?
    1. Transparent material
    2. An opaque shiny smooth surface
    3. Opaque rough surface
    4. A transparent rough surface
49. Which statement best explains why insects can walk on water?
    
    1. They are light in weight
    2. Water is heavier than insects
    3. Surface tension of the water prevents it from sinking
    4. Insects can swim in water
50. Which of the following pairs of processes is as a result of increase in temperature?
    
    1. Melting and freezing
    2. Condensation and freezing
    3. Melting and evaporation
    4. Condensation and evaporation

MARKING SCHEME

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

QUESTIONS

1. Which one of the following shows the correct order of foetal development immediately ater fertilization in human beings?
   1. Embryo-Zygote - Foetus
   2. Zygote Embryo - Foetus
   3. Embryo-Foetus-Zygote
   4. Zygote Foetus-Embryo
2. Which one of the following is NOT an effect of air pollution?
   1. Formation of acid rain
   2. Causes respiratory diseases
   3. Interferes with photosynthesis
   4. Death of small animals
3. The diagram below shows a flower.
   
   Which two parts make up the stamen?
   1. M,N
   2. N, K
   3. M, L
   4. K, L
4. Loo, a std. eight pupil, mixed fresh milk, water and kerosene during an experiment on mixing liquids. Which one of the following observations did he make?
   1. Only two layers were formed
   2. Only fresh milk mixed with kerosens
   3. The mixture formed three layers
   4. Only water and kerosene mixed
5. Which one of the following pairs of planets consists of a planet that takes the longest time and a planet that takes the shortest time to go round the sun?
   1. Jupiter and Mars
   2. Neptune and Mercury
   3. Earth and Saturn
   4. Venus and Neptune
6. The diagram below shows an improvised weather instrument
   
   Which one of the following does NOT affect the accuracy of the above instrument?
   1. The diameter of the funnel
   2. The diameter of the collecting jar
   3. The distance between the markings on the collecting jar
   4. The material used to make the container
7. Which one of the following would help to conserve the environment?
   1. Using wood ash to kill pests
   2. Burning heaps of saw dust
   3. Burying plastics in the soil
   4. Using commercial fertilizers to increase crop yields
8. Which two components make about 78% of the volume of air?
   1. Oxygen and carbon dioxide
   2. Nitrogen and oxygen
   3. Carbon dioxide and nitrogen
   4. Rare gases and nitrogen
9. Which one of the following pairs of energy can be transmitted only when there is a medium?
   1. Heat and light
   2. Sound and light
   3. Sound and electricity
   4. Heat and electricity
10. The diagram below represents a person pushing a heavy log of wood along a flat surface
    
    Which one of the following changes would make the person push the log more easily?
    1. Smearing oil on the flat surface
    2. Wearing shoes with rough soles
    3. Smearing oil on the log of wood
    4. Pouring murram on the flat surface
11. The diagram below shows an electric circuit
    
    Which material when used to close the gap marked Q will make the bulb light?
    1. Plastic ruler
    2. A piece of thread
    3. A copper rod
    4. A rubber band
12. The following are functions of stems:
    1. Support the shoot
    2. Storage of food
    3. Transport water to the leaves
    4. Manufacture food for the plant
       Which functions are performed by all stems?
       1. (i) and (iii)
       2. (iii) and (iv)
       3. (i) and (ii)
       4. (ii) and (iv)
13. Which one of the following is formed first after fertilization?
    1. Foetus
    2. Embryo
    3. Zygote
    4. Ovum
14. The table below shows parts of the human digestive system and their functions.
    

    Part	Function
    Small intestine	Absorption of food
    Stomach	Y
    X	Absorption of water

    Which of the following options represents X and Y?
                    X                                Y
    1. Oesophagus             Passage of food
    2. Large intestine         Digestion of food
    3. Mouth                       Taking in food
    4. Trachea                    Passage of food
15. Which one of the following practices helps to conserve soil by preventing soil erosion?
    1. Crop rotation
    2. Use of manure
    3. Mulching
    4. Planting cover crops
16. The table below shows observations made when three soil samples Q, R and S were mixed with water and then rolled out to make ribbons.
    

    Soil sample	Characteristics
    Q	Held its shape
    R	Cracked
    S	Could not be rolled

    Which one of the soil samples has the lowest capillarity?
    1. S
    2. R
    3. Q
    4. S and R
17. Which one of the following statements correctly describes cross-pollination?
    1. The transfer of pollen grains from the anther to the stigma of the same flower
    2. The transfer of pollen grains from the anther to the stigma of different flowers on plants of different kinds
    3. The transfer of pollen grains from the anther to the stigma of another flower on the same plant
    4. The transfer of pollen grains from the anther to the stigma of different flowers on plants of the same kind
18. Which one of the following effects of drug abuse consists of social effects?
    1. Theft and lack of concentration
    2. Rape and withdrawal sysmptoms
    3. Drug induced accidents and truancy
    4. Drug addiction and loss of concentration
19. In the diagram below shows interdependence in plants.
    
    The diagram shows that plants depend on others for
    1. support 
    2. shade
    3. nutrients
    4. habitat
20. Which one of the following is NOT important to consider when taking medicine?
    1. The dose
    2. The date of manufacture
    3. Duration to complete the dose
    4. How to store the medicine
21. Which one of the following statements about blood circulation is TRUE?
    1. Aorta receives oxygenated blood from the left auricle
    2. Oxygenated blood from the lungs is received by the aorta
    3. Pulmonary vein takes oxygenated blood to the lungs
    4. Pulmonary artery receives deoxygenated blood from the right ventricle
22. Which one of the following groups consists of materials which are all magnetic?
    1. Aluminium, brass, copper
    2. Iron, steel, cobalt
    3. Iron, copper, cobalt
    4. Steel, brass, aluminium
23. Which one of the following mixtures cannot be separated by either dissolving, filtering and evaporating or by using a magnet?
    1. Iron fillings and maize flour
    2. Salt and sugar
    3. Salt and sand
    4. Iron fillings and sand
24. Which one of the following is a part of the embryo of a seed?
    1. Micropyle
    2. Endosperm
    3. Radicle
    4. Cotyledon
25. Which one of the following shows the CORRECT order of the processes that take place when ice is heated until steam is formed and the steam is cooled to form water?
    1. Melting, evaporation, condensation
    2. Evaporation, condensation, melting
    3. Melting, condensation, evaporation
    4. Evaporation, melting, condensation
26. Which one of the following materials will not be required to show that pressure in a liquid increases with depth?
    1. Tin can
    2. Water
    3. Nail
    4. Collecting jar
27. Which one of the following statements is TRUE about the human excretory organs?
    1. Sweat glands are located in the dermis
    2. Urine is produced by the urethra
    3. The waste products of the lungs are oxygen and water
    4. Water is excreted by the kidneys and the skin only
28. Which one of the following pairs of plants are legumes?
    1. Tomatoes and beans
    2. Cabbage and millet
    3. Groundnuts and peas
    4. Maize and potatoes
29. Std. 8 pupils did the experiment below to investigate a certain method of heat transfer.
    
    Which one of the following were they investigating?
    1. Convection of air
    2. Conduction in solids
    3. Convection in liquids
    4. Radiation of heat
30. Which one of the following will help prevent the spread of cholera?
    1. Spraying chemicals in stagnant water
    2. Wearing protective shoes when passing through water
    3. Drinking filtered water
    4. Covering pit latrines after use
31. Which one of the following is a recommended practice to avoid being struck by lightning?
    1. Sheltering under a tree
    2. Using an umbrella when in an open field
    3. Sheltering while leaning on a wall when it is rainy
    4. Wearing rubber shoes with thick soles during thunderstorms
32. Which one of the following pairs of plants cannot make their own food?
    1. Fern and pine
    2. Toadstool and moss
    3. Puffballs and mould
    4. Cedar and yeast
33. Which one of the following sources of electricity pollutes the environment?
    1. Geothermal generators
    2. Wind-driven generators
    3. Hydro-electric generators
    4. Petrol-driven generators
34. Which one of the following is a natural way of lighting a house? Using
    1. translucent roofs
    2. torches
    3. hurricane lamps
    4. candles
35. Which one of the following pairs of materials will float on water?
    1. Coin and candle wax
    2. Biro pen casing and rubber band
    3. Nail and bottle top
    4. Coin and candle wax
36. Which one of the following groups consists only of external livestock parasites?
    1. Fleas, mites, ticks
    2. Roundworms, lice, mites
    3. Fleas, tapeworms, lice
    4. Mites, roundworms, ticks
37. The diagram below shows a set up that was used to demonstrate a certain property of matter
    
    The coloured water rises up the straw because
    1. liquid expand when heated
    2. liquids occupy space
    3. air occupies speace
    4. air exands when heated
38. Which one of the following consists of groups of food that mainly contain fats?
    1. Maize, coconut, beans
    2. Irish potatoes, groundnuts, maize
    3. Avocado, groundnuts, coconut
    4. Irish potatoes, beans, avocado
39. Which one of the following is a sign and symptom of tuberculosis?
    1. Chest pain
    2. Muscle wastage
    3. Protruding belly
    4. Pale white eyes
40. In which one of the following processes is oxygen gas not used?
    1. Making plant food
    2. Burning
    3. Breathing
    4. Germination of seeds
41. Which one of the following levers has the position of the effort between the load and the fulcrum when in use?
    1. Spade
    2. Wheelbarrow
    3. Claw hammer
    4. Crow bar
42. Which one of the following statements is true about commercial livestock feeds?
    1. Dairy cattle are given commercial feeds to fatten them
    2. They are given to animals to supplement other feeds
    3. They contain a lot of water
    4. They are given to animals only when fodder crops and other feeds are not available
43. Which one of the following vaccines is CORRECTLY matched with its immunization schedule in infants?
                  Vaccine                         Schedule
    
    1. First dose of polio          At 6 weeks
    2. DPT                               At birth and at 10 weeks
    3. DPT and anti-measles   At 14 weeks
    4. Polio and BCG               At birth
44. The presence of thick white and mountain shaped clouds are a sign of
    1. heavy rain falling soon
    2. low temperatures
    3. fine weather
    4. strong winds blowing
45. A person who has difficulties in breathing, has a faster heart beat and feels tired is also likely to
    1. have knock knees
    2. have muscle wastage
    3. have a face like that of an old person
    4. have white eyes
46. The diagram below shows a set-up that is used to investigate a certain aspect of light.
    
    The aspect being investigated is
    1. light travels ina a straight line
    2. refraction of light
    3. reflection of light
    4. passage of light through materials
47. Which one of the following pairs of infections are sexually transmitted?
    1. Gonorrhea and bilharzia
    2. Chancroid and HIV
    3. Syphilis and typhoid
    4. Chancroid and tuberculosis
48. Which one of the following activities can be used to demonstrate rill erosion? Pouring water
    1. at different positions of a slanting soil surface
    2. in channels of soil on a slanting surface
    3. on a flat surface of soil
    4. on a flat surface using a tin with many holes
49. Below are statements about a stage of HIV/ AIDS infection:
    1. If a HIV test is carried out, the result is positive
    2. There are no visible signs
    3. The body can fight other infections
       Which stage of HIV/AIDS infection is described above?
       1. Window
       2. Incubation
       3. Symptomatic
       4. Full blown
50. A glass of water is likely to break if hot water is poured into it because of
    1. sudden expansion of air in the glass
    2. expansion of the heated water
    3. sudden expansion of the inner side of the glass
    4. sudden contraction of the glass wall

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
    4. Watering plants with water that has beenused 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 benddue to
    1. refraction
    2. reflection
    3. dispersion
    4. evaporation.
33. Class four learners set up the experimentbelow 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

QUESTIONS

1. When light moves from one medium to another, it
   
   1. bounces.
   2. bends.
   3. splits.
   4. is absorbed.
2. The materials which allow some light to pass through 
   1. improve privacy.
   2. enable one to see clearly.
   3. are said to be transparent.
   4. are used to make car windscreens.
3. In order to increase the rate at which a substance dissolves in a solvent, one shouldn't
   
   1. increase the temperature of the solute.
   2. stir the mixture thoroughly.
   3. increase the surface area of the solute.
   4. increase the temperature of the solvent.
4. Which statement below does not describe cumulus clouds? They
   1. are dark grey in colour. 
   2. are white and cotton like. 
   3. form high in the sky.
   4. have a flat base.
5. Which substance below has a definite mass but no definite shape?
   
   1. Flour.
   2. Stone.
   3. Office glue.
   4. Steam.
6. Which one of the following is not a necessary condition for seeds to germinate?
   1. Moisture.
   2. Soil.
   3. Air.
   4. Warmth.
7. The pests that burrow in the maize plant while it is growing are
   1. cutworms.
   2. stalkborers.
   3. aphids.
   4. weaver birds.
8. Which one of the following is the best method for Lucy to use to control weeds on a very small piece of land with vegetables?
   
   1. Using herbicides.
   2. Uprooting. 
   3. Digging out.
   4. Burning them.
9. The loudness or softness of sound is its
   
   1. vibration.
   2. volume.
   3. pitch.
   4. echo.
10. The diagram below shows the composition of air.
    
    The part which makes bulbs glow without blowing is labelled
    
    1. i
    2. ii
    3. iii
    4. iv
11. The vaccines given to a baby at birth prevents them against
    
    1. polio and tuberculosis.
    2. measles and yellow fever. 
    3. pertussis and tetanus. 
    4. diphtheria and measles.
12. Which one of the following is not a reason for preserving food? To 
    1. avoid wastage of the food.
    2. sell the food when prices are favourable.
    3. consume the food when nutrients are plenty.
    4. keep the food for future use.
13. Which one of the following human intestinal worms can one get by eating raw meat?
    1. Hookworms.
    2. Pinworms.
    3. Roundworms.
    4. Tapeworms.
14. Which one of the following methods of preserving food is modern?
    1. Smoking.
    2. Using honey.
    3. Canning.
    4. Drying.
15. Which of thee following sets of foodstuffs is suitable for a child suffering from marasmus?
    1. Apples, eggs, oranges, meat. 
    2. Beans, kales, mangoes, sweet potatoes.
    3. Rice, bananas, maize, cabbage.
    4. Sausages, potatoes, chicken, cooked bananas.
16. Which one of the following is not an effect of heat on matter?
    1. Expansion.
    2. Melting.
    3. Condensation.
    4. Evaporation.
17. The following are activities that take place during breathing:
    1. Volume of the chest cavity decreases.
    2. Ribs move upwards and outwards.
    3. Lungs shrink.
    4. The diaphragm muscles relax.
       Which of the activities take place during breathing out?
       1. i
       2. ii
       3. iii
       4. iv
18. The diagram below shows the approximate percentages of the gases that make up air.
    
    Which one of the following processes does not require the part labelled L?
    1. Combustion.
    2. Germination.
    3. Making plant food.
    4. Respiration.
19. When the arrow head of a windvane points to the south, it shows that wind is the blowing from
    1. east.
    2. west.
    3. north.
    4. south.
20. Which one of the following levers has the position of the load between the effort and the fulcrum when in use?
    1. Wheelbarrow.
    2. Claw hammer.
    3. Spade.
    4. Crowbar.
21. Which one of the following statements  is not correct about liquids?
    1. Some liquids expand when frozen.
    2. Liquids contract when heated. 
    3. Liquids expand when heated.
    4. Liquids expand more than solids when heated.
22. Which one of the following is not a way or reducing the force that opposes motion?
    1. Making treads.
    2. Using rollers.
    3. Streamlining.
    4. Using grease and lubricating oil.
23. Which of the pairs below shows major non-living components of the environment?
    1. Light and sound.
    2. Animals and plants.
    3. Air and water.
    4. Soil and heat.
24. Which one of the following is not a source of electric current?
    
    1. Car battery.
    2. Generator.
    3. Water fall.
    4. Wind turbines.
25. Which one of the following does not lead to air pollution?
    
    1. Smoking bhang in public. 
    2. Spraying farm chemicals and aerosols.
    3. Vehicle exhaust fumes.
    4. Use of excessive fertilizers.
26. Which of the following statements is not correct about separation of mixtures?
    1. Picking is used to separate big solid particles.
    2. Winnowing is suitable for separating a mixture of light and heavy solid particles.
    3. Sieving separates a mixture of small and large solid particles.
    4. A mixture of magnetic materials can be separated using a magnet.
27. The illustration below shows how matter changes from one state to another.
    
    A pair of processes that requires reduction of heat is
    1. M and P.
    2. N and 
    3. M and N
    4. P and Q
28. Which one of the following mammals does not give birth to a live young one?
    1. Whale.
    2. Bat.
    3. Platypus.
    4. Nile perch.
29. The diagram below shows the solar system.
    
    Which one of the following shows the planets marked X and Y?
    

    	X	Y
    A.	Earth	Neptune
    B.	Earth	Saturn
    C.	Venus	Jupiter
    D.	Mars	Saturn

30. A metallic nail sinks in water while a metallic ship floats on water. This is due to the difference in
    1. material.
    2. shape.
    3. size.
    4. mass.
31. The diagram below shows a flower.
    
    Which of the labelled parts attracts insects?
    
    1. W
    2. X
    3. Y
    4. Z
32. Which of the following animals are kept mainly for mutton production? 
    1. Sheep and pigs.
    2. Goats and sheep.
    3. Cattle and camels.
    4. Goats and camels.
33. Which one of the following is not a method of rotational grazing?
    1. Zero grazing.
    2. Tethering.
    3. Paddocking
    4. Strip grazing.
34. The most appropriate method of controlling the type of erosion commonly experienced along the roofs is
    1. mulching.
    2. contour farming.
    3. terracing.
    4. planting grass.
35. The diagram below shows an experiment conducted by Grade five pupils.
    
    They realized that water did not enter the glass. The best conclusion they made from the experiment was that
    1. water exerts pressure.
    2. water occupies space.
    3. air has mass.
    4. matter occupies space.
36. Which one of the following is the function of fibre in the diet? Fibre
    1. helps in digestion of food.
    2. adds more nutrients to the body.
    3. helps in the removal of undigested food.
    4. helps in absorption of digested food.
37. Which one of the following is not likely to increase the pressure of a liquid in a container?
    1. Increasing the amount of liquid.
    2. Reducing the diameter of the container.
    3. Using a narrow container.
    4. Raising the container.
38. Which one of the following plants does not manufacture its own food?
    1. Moulds.
    2. Fern.
    3. Grass.
    4. Cactus.
39. The following are the processes of germination of a seed but not in order:
    1. Emergence of the plumule. 
    2. Absorption of water and air. 
    3. Bursting of the testa. 
    4. Emergence of the radicle.
       Which one of the following is the correct order?
       1. iii, iv, i, ii
       2. ii, iii, iv, i
       3. i, iv, iii, ii
       4. iii, ii, i, iv
40. Which one of the following pairs of diseases can be controlled through draining away stagnant water?
    1. Bilharzia and malaria.
    2. Bilharzia and typhoid.
    3. Cholera and typhoid.
    4. Cholera and malaria.
41. Which one of the following is a way of controlling the spread of HIV/AIDS among the youth?
    1. Using condoms.
    2. Abstinence.
    3. Sticking to one faithful uninfected partner.
    4. Creating awareness.
42. In which of the following is the force of friction least needed?
    1. Closing the door.
    2. Walking downhill.
    3. Writing on the chalkboard.
    4. Stopping a speeding motor cycle.
43. Which one of the following groups has animals with similar characteristics?
    1. Beetle, scorpion, ant.
    2. Mite, wasp, spider.
    3. Termite, tick, grasshopper
    4. Wasp, ant, housefly
44. The diagram below shows an excretory organ.
    
    Which pair of substances is removed by this organ?
    1. Water and carbondioxide.
    2. Water and urea.
    3. Urea and salts.
    4. Lactic acid and salt.
45. Which of the following prevents a baby from shock and bumps?
    1. Umbilical cord.
    2. Placenta.
    3. Amniotic sac.
    4. Amniotic fluid.
46. Which of the following components is found in all environments?
    1. Water.
    2. Air.
    3. Heat.
    4. Plants.
47. A pupil set up an experiment below to investigate a certain component of heat.
    
    The pupil did not make correct conclusion from the experiment because 
    1. he used a small candle.
    2. he used a metal box instead of a wooden box.
    3. wrong placement of the candle.
    4. wrong placement of the burning paper.
48. Which statement about vertebrates is correct?
    
    1. Fish and amphibians are warm blooded.
    2. Mammals and birds give birth to live young ones.
    3. Reptiles and birds have internal fertilization.
    4. Fish and birds have external fertilization.
49. Which pair of blood vessels is correctly matched with the nature of blood in it?
    

    	Deoxygenated	Oxygenated
    A.	Aorta	venacava
    B.	Venacava	pulmonary artery
    C.	Pulmonary artery	aorta
    D.	Pulmonary vein	aorta

50. The diagram below shows a simple lever.
    
    The simple machine works the same way as
    1. a crowbar
    2. an inclined plane 
    3. wheelbarrow
    4. spade

MARKING SCHEME

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