KCPE Past Papers 2018 Science 

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Kenya Certificate of Primary Education 2018 Science

1. The form of energy that comes second during energy transformation in a torch dry cells is

A. Light.

B. electrical.

C. chemical.

D. heat.

2. When rays of light pass from air to water they

A. bounce back.

B. increase in size.

C. are bent.

D. are absorbed.

3. In which one of the circuits below would the bulb light?

4. The purpose of each of the following is insulation against heat loss EXCEPT

A. clay pots.

B. wooden handle frying pan.

C. woollen clothing.

D. window curtains.

5. A plane mirror is placed at the beginning of the word MALARIA.

Which one of the following groups of letters will remain the same when the word is reflected?

A. M, A, L.

B. M, A, I.

C. R, A, I.

D. L, I, A.

6.Which one of the following pairs of materials are correctly matched with the heat transfer process that takes place in them?

Convection Radiation

A. Water Vacuum

B. Air Iron

C. Glassrod Vacuum

D. Water Air

7. Which one of the following pairs of substances is correctly grouped according to its characteristics?

8. In an experiment on mixing of liquids, water, cooking oil, fresh milk and kerosene were mixed two at a time. Cooking oil mixed well with

A. water and fresh milk.

B. water only.

C. fresh milk and kerosene.

D. kerosene only.

9.A component of air used for germination is also required for

A. burning substances.

B. preserving soft drinks.

C. making proteins.

D. making electric bulbs.

10. A mixture of sand salt and husk can be seperated by?

A. dissolving, filtering and winnowing.

B. winnowing, dissolving, filtering and evaporating.

C. dissolving, filtering and evaporating.

D. picking, sieving, dissolving and filtering.

11. The diagram below shows parts of a flower.

Pupils made the following statements about the parts labelled W, X, Y and Z

(i) W produces nectar.

(ii) X produces pollen.

(iii) Y transfers pollen.

(iv) Z allows pollen tube to germinate Which two statements arc correct?

A. (i) and (ii).

B. (ii) and (iv).

C. (iii) and (iv).

D. (i) and (iii).

(i) deep roots. (ii) broad leaves. (iii) numerous stomata. (iv) thorns. Which two features are for plants found in dry areas?

A. (i) and (ii).

B. (ii) and (iii).

C. (iii) and (iv).

D. (i) and (iv).

13. Which one of the following is a field pest?

A. Weevils.

B. Aphids.

C. White ants.

D. Rodents.

14. Which one of the following is NOT a condition for germination?

A. Soil.

B. Oxygen.

C. Moisture.

D. Warmth.

15. The following are ways through which plants show interdependence EXCEPT

A. sharing food.

B. support.

C. provision of shelter.

D. provision of medicines.

16. Which one of the following characteristic is found in reptiles but NOT in birds?

A. A back bone.

B. Scales.

C. Lungs.

D. Varying body temperature.

17. Which one of the following methods controlling livestock parasites will control both roundworms and ticks?

A. Dipping.

B. Rotational grazing.

C. Spraying.

D. Clearing vegetation.

18. The diagram below shows a bird's beak

The bird is likely to be

A. grain eater.

B. filter feeder.

C. flesh eater.

D. nectar feeder.

19. The following are some parts of the human digestive system:

(i) oesophagus.

(ii) stomach.

(iii) small intestines.

(iv) large intestines.

In which two parts does digestion of food take place?

A. (i) and (ii).

B. (ii) and (iii).

C. (iii) and (iv).

D. (i) and (iv).

20. Which one of the following parts of the breathing system warms the incoming air?

A. Nose.

B. Trachea.

C. Diaphragm.

D. Lung.

21. which one of the following occurs in both adolesence boys and girls

A. Production of sex cells

B. Hips broaden.

C. Voice breaks.

D. Enlargement of breasts.

22. A human zygote is formed in the

A. vagina.

B. cervix.

C. uterus.

D. oviduct.

23. Which one of the following blood vessels carries blood from the left ventricle?

A. Vena cava.

B. Pulmonary artery.

C. Aorta.

D. Pulmonary vein.

24. Use of cover crops for conservation of soil will work in the same way as

A. planting of trees.

B. mulching.

C. terracing.

D. contour farming.

25. The following are observations made on fertilisers and manures:

(i) nutrients are readily released.

(ii) have nutrients in specific amounts.

(iii) improves soil structure.

(iv) benefits are long term. Which two observations are for manure?

A. (i) and (ii).

B. (ii) and (iii).

C. (iii) and (iv).

D. (i) and (iv).

Which one of the following activities would cause a reduction in the number of animals in a river

A. Washing vehicles in the river.

B. Dumping human waste into the river.

C. Wild animals watering in the river.

D. Cutting trees from the river bank.

27. Which one of the following consists only of living components of the environment?

A. soil, water, fern.

B. water, wind, mushroom.

C. mushroom, fern, moss.

D. moss, wind, soil.

28. Which one of the following will increase the rate at which soil is carried away by running water?

A. Planting sweet potatoes.

B. Terracing the farm.

C. Cultivating along the slope.

D. Strip cropping.

29. The diagram below shows a simple machine with positions labelled E, F, G and H.

For the machine to make work easier the effort should be applied at point

A. E.

B. F.

C. G.

D. H.

30. The machine used to raise a flag makes work easier by

A. changing the direction of the effort.

B. making the load lighter.

C. redaeino the distance that effort moves.

31.The following are some examples that involve the use of some simple machines

(i) A car rnovin,g on read winding up a hill.

(ii) A wheelbarrow in use.

(iii) A person climbing up a staircase.

(iv) Rolling an object clown a hill.

Which two activities involve the use of inclined planes?

32. The diagram below represents a certain weather instrument.

The instrument can be used to show

A. direction of wind only.

B. speed and direction of wind.

C. speed of wind only.

D. direction and strength of wind.

33. Which one of the following need NOT to be considered when modelling the solar system using clay balls?

A. Size of balls.

B. Distance between balls.

C. Mass of balls.

D. Number of balls.

34. A meal made of irish potatoes, beans and rice can be made a balanced diet by ?>p> A. removing one energy giving food.

B. adding body building food.

C. adding water.

D. adding protective food.

35. A child with extreme loss of weight and a face that looks old will also have

A. protruding stomach.

B. swollen feet.

C. sores on the corners of mouth.

D. alert eyes.

36. A disease characterised by discharge of grey-yellow pus and burning sensation during urination is

A. gonorrhoea.

B. syphilis.

C. chancroid.

D. cholera.

37. Which one of the following myths and misconceptions about HIV/AIDS could highly increase the spread of the infection?

A. Fat people have no infection.

B. AIDS is a curse.

C. One can get AIDS by shaking hand,

D. AIDS is caused by witchcraft.

38. The following are signs and symptoms of certain diseases:

(i) fever.

(ii) severe headache.

(iii) blood in stool and urine.

(iv) severe dehydration.

(v) vomiting.

Which two are for typhoid?

A. (i) and (ii).

B. (ii) and (iii).

C. (iii) and (iv).

D. (iv) and (v).

39.In which one of the following is is water recycled?

A. Water usea for cleaning vegetables is used to water flowers.

B. Use of dams to collect water.

C. Use of drip irrigation M cultivation.

D. Use of treated industrial waste water.

40. Which one of the following is the main reason why lactating mothers should be fed on a diet rich in iron?To

A. replace blood lost duririg birth.

B. increase milk production.

C. boost the child's immunity.

D. prevent anaemia in the body.

41. Which one of the following is the best method of handling medicine bottles after use? '

A. Recycling.

B. Reusing.

C. Burying in a deep pit.

D. Burning them immediately.

42. Which one of the following components of blood is attacked by HIV?

A. Red blood cells.

B. White blood cells.

C. Platelets.

D. Plasma.

43. Bilharzia and malaria diseases can both be prevented by

A. wearing protective clothing.

B. clearing bushes.

C. pouring oil on stagnant water.

D. draining stagnant water.

44. Which one of the following is the best preventive measure against sexually transmitted infections for adolescent children?

A. Abstain.

B. Seeking medical treatment.

C. Use of condoms.

D. Faithfulness.

45. In investigating capillarity in soil, pupils were provided with water and different soils. Which two other materials are required?

A. Funnels and drinking straws.

B. Plastic bottles and funnels.

C. Cotton wool and drinking straws.

D. Plastic bottles and drinking straws.

46. The rate at which water drains in the soil is mainly determined by

A. volume of the soil.

B. size of the soil particles.

C. humus content in the soil.

D. air content in the soil.

47. Which one of the following pairs consists only of harmful animals?

A. Dog and bee.

B. White ants and mole.

C. Snake and chameleon.

D. Dog and mole.

48. Which one of the following animals moves by flying and hopping?

A. Cockroach.

B. Flea.

C. Mite.

D. Cricket.

49. The ability to do work is

A. energy.

B. force.

C. effort.

D. motion.

50. The diagram below represents a lever in use.

Which one of the following works in the same way as the lever illustrated above? A. Wheelbarrow.

B. Spade.

C. Claw hammer.

D. Ladder.

2018 Science Questions and Answers

Kenya Certificate of Primary Education 2018 Science

1. The form of energy that comes second during energy transformation in a torch dry cells is

B. electrical.

2. When rays of light pass from air to water they

C. are bent.

3. In which one of the circuits below would the bulb light?

.C

4. The purpose of each of the following is insulation against heat loss EXCEPT

B. wooden handle frying pan.

5. A plane mirror is placed at the beginning of the word MALARIA.

Which one of the following groups of letters will remain the same when the word is reflected?

B. M, A, I.

6.Which one of the following pairs of materials are correctly matched with the heat transfer process that takes place in them?

Convection Radiation

A. Water Vacuum

7. Which one of the following pairs of substances is correctly grouped according to its characteristics?

.B

8. In an experiment on mixing of liquids, water, cooking oil, fresh milk and kerosene were mixed two at a time. Cooking oil mixed well with

D. kerosene only.

9.A component of air used for germination is also required for

A. burning substances.

10. A mixture of sand salt and husk can be seperated by?

A. dissolving, filtering and winnowing.

B. winnowing, dissolving, filtering and evaporating.

C. dissolving, filtering and evaporating.

D. picking, sieving, dissolving and filtering.

11. The diagram below shows parts of a flower.

Pupils made the following statements about the parts labelled W, X, Y and Z

(i) W produces nectar.

(ii) X produces pollen.

(iii) Y transfers pollen.

(iv) Z allows pollen tube to germinate Which two statements are correct?

B. (ii) and (iv).

C. (iii) and (iv).

D. (i) and (iii).

(i) deep roots. (ii) broad leaves. (iii) numerous stomata. (iv) thorns. Which two features are for plants found in dry areas?

D. (i) and (iii).

13. Which one of the following is a field pest?

B. Aphids.

14. Which one of the following is NOT a condition for germination?

A. Soil.

15. The following are ways through which plants show interdependence EXCEPT

A. sharing food.

16. Which one of the following characteristic is found in reptiles but NOT in birds?

D. Varying body temperature.

17. Which one of the following methods controlling livestock parasites will control both roundworms and ticks?

B. Rotational grazing.

18. The diagram below shows a bird's beak

The bird is likely to be

D. nectar feeder.

19. The following are some parts of the human digestive system:

(i) oesophagus.

(ii) stomach.

(iii) small intestines.

(iv) large intestines.

In which two parts does digestion of food take place?

B. (ii) and (iii).

20. Which one of the following parts of the breathing system warms the incoming air?

A. Nose.

21. which one of the following occurs in both adolesence boys and girls

A. Production of sex cells

22. A human zygote is formed in the

D. oviduct.

23. Which one of the following blood vessels carries blood from the left ventricle?

C. Aorta.

24. Use of cover crops for conservation of soil will work in the same way as

B. mulching.

25. The following are observations made on fertilisers and manures:

(i) nutrients are readily released.

(ii) have nutrients in specific amounts.

(iii) improves soil structure.

(iv) benefits are long term. Which two observations are for manure?

C. (iii) and (iv).

26.Which one of the following activities would cause a reduction in the number of animals in a river

B. Dumping human waste into the river.

27. Which one of the following consists only of living components of the environment?

C. mushroom, fern, moss.

28. Which one of the following will increase the rate at which soil is carried away by running water?

C. Cultivating along the slope.

29. The diagram below shows a simple machine with positions labelled E, F, G and H.

For the machine to make work easier the effort should be applied at point

C. G.

30. The machine used to raise a flag makes work easier by

B. making the load lighter.

31.The following are some examples that involve the use of some simple machines

(i) A car rnovin,g on read winding up a hill.

(ii) A wheelbarrow in use.

(iii) A person climbing up a staircase.

(iv) Rolling an object clown a hill.

Which two activities involve the use of inclined planes?

C.

32. The diagram below represents a certain weather instrument.

The instrument can be used to show

D. direction and strength of wind.

33. Which one of the following need NOT to be considered when modelling the solar system using clay balls?

C. Mass of balls.

34. A meal made of irish potatoes, beans and rice can be made a balanced diet by ?>p> D. adding protective food.

35. A child with extreme loss of weight and a face that looks old will also have

D. alert eyes.

36. A disease characterised by discharge of grey-yellow pus and burning sensation during urination is

A. gonorrhoea.

37. Which one of the following myths and misconceptions about HIV/AIDS could highly increase the spread of the infection?

A. Fat people have no infection.

38. The following are signs and symptoms of certain diseases:

(i) fever.

(ii) severe headache.

(iii) blood in stool and urine.

(iv) severe dehydration.

(v) vomiting.

Which two are for typhoid?

A. (i) and (ii).

39.In which one of the following is is water recycled?

A. Water usea for cleaning vegetables is used to water flowers.

40. Which one of the following is the main reason why lactating mothers should be fed on a diet rich in iron?To

A. replace blood lost duririg birth.

41. Which one of the following is the best method of handling medicine bottles after use?

A. Recycling.

42. Which one of the following components of blood is attacked by HIV?

B. White blood cells.

43. Bilharzia and malaria diseases can both be prevented by

D. draining stagnant water.

44. Which one of the following is the best preventive measure against sexually transmitted infections for adolescent children?

A. Abstain.

45. In investigating capillarity in soil, pupils were provided with water and different soils. Which two other materials are required?

C. Cotton wool and drinking straws.

46. The rate at which water drains in the soil is mainly determined by

B. size of the soil particles.

47. Which one of the following pairs consists only of harmful animals?

B. White ants and mole.

48. Which one of the following animals moves by flying and hopping?

D. Cricket.

49. The ability to do work is

A. energy.

50. The diagram below represents a lever in use.

Which one of the following works in the same way as the lever illustrated above?

C. Claw hammer.

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