KCPE PAST PAPERS 2006: SCIENCE QUESTIONS AND ANSWERS [1-25]

​KCPE PAST PAPERS 2006: SCIENCE QUESTIONS AND ANSWERS [1-25]

1.

Sweat glands in the skin of a human body are located in the

• A. Epidemis
• B. Dermis
• C. Pores
• D. Oil glands

2.

Which one of the following parts of a human body produces urine?

• A. Bladder
• B. Ureter
• C. Kidney
• D. Urethra

3.

The diagram below represents the reproductive system in the female human body

Fertilization takes place in the part labelled

• A. K
• B. L
• C. M
• D. N

4.

The following are some of the physical changes that take place during adolescence.

• ​(i) Hips become broader
• (ii) Chest and shoulders become broader
• (iii) Pimples may appear on the face
• (iv) Voice breaks
• (v) Pubic hair grows

Which of the following changes take place in a girl?

• A. (i) (ii) (v)
• B. (i) (iii) (iv)
• C. (ii) (iv) (v)
• D. (i) (iii) (v)

5.

Which one of the following groups consists of only diseases that are immunisable?

• A. Whooping cough, tuberculosis, tetanus
• B. Measles, malaria, diptheria
• C. Dysentry, hepatitis B, poliomelytis
• D. Bilhazia, yellow fever, cholera

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6.

The following are stages of HIV infection

• ​(i) Window stage
• (ii) Symptoms
• (iii) Full blown
• (iv) Incubation

Which one of the following is the CORRECT order of the stages?

• A. (ii) (i) (iii) (iv)
• B. (iv) (ii) (iii) (i)
• C. (i) (iv) (ii) (iii)
• D. (i) (iii) (iv) (ii)

7.

The following are effects of drug abuse

• ​(i) Rape
• (ii) Addiction
• (iii) Lack of concetration
• (iv) Truancy
• (v) Impaired judgement

Which of them are health effects?

• A. (i) (ii) (iii)
• B. (ii) (iii) (iv)
• C. (i) (iv) (v)
• D. (ii) (iii) (v)

8.

One evening, a pupil noticed a bright heavenly body that was not twinkling. The heavenly body was most likely

• A. Saturn
• B. Uranus
• C. Venus
• D. Neptune

9.

The reason for using a biro pen cap as a pivot in the construction of an improved wind vane is to make the arrow

• A. Rotate freely
• B. Balance on the stand
• C. Tail show the direction of wind
• D. Head heavy

10.

Which one of the following statements is true about the planet Mars? It is

• A. Nearest to the sun
• B. The brightest planet
• C. Nearest to the earth
• D. The smallest planet

11.

Which one of the following is a leguminous plant?

• A. Cabbage
• B. Maize
• C. Groundnut
• D. Tomato

12.

Fertilization in plants takes place when

• A. A pollen tube enters the ovule
• B. Reproductive cells in pollen grain and ovule fuse
• C. A pollen grain falls on the stigma and germinates
• D. A pollen tube enters the ovary

13.

Which of the following groups only consists of non-flowering plants?

• A. Pine, cedar, Cypress
• B. Sugar cane, sisal, onion
• C. Cedar, moss, kale
• D. Carrot, cassava, cactus

14.

Which of the following groups of plants have the same type of root system?

• A. Tomato, maize, peas
• B. Bean, black jack, cabbage
• C. Groundnuts, rice, sugar cane
• D. Millet, cassava, carrot

15.

Which one of the following parasites destroys wool in sheep?

• A. Mites
• B. Lice
• C. Fleas
• D. Ticks

16.

The toothless gap in the lower jaw of herbivores is for?

• A. Turning plant material in the mouth for proper chewing
• B. Holding food material
• C. Allowing space for more food
• D. Preventing the animals from biting their tongues

17.

Which one of the following animals has the same number of legs as the tick

18.

Which one of the following is a filter feeder?

• A. Kingfisher
• B. Hawk
• C. Duck
• D. Sunbrid

19.

Which one of the following is NOT an immediate sign of ill health in livestock?

• A. Coughing
• B. Blood in stool
• C. Rough coat
• D. Loss of weight

20.

Which one of the following is a method of softening hard water?

• A. Filtering
• B. Boiling
• C. Decanting
• D. Sieving

21.

Which one of the following practices will help to prevent the spread of cholera?

• A. Spraying chemicals in stagnant water
• B. Wearing protective shoes when passing through water
• C. Drinking filtered water
• D. Covering pit latrines after use

22.

Which one of the following NEED NOT be the same as when investigating drainage in different types of soil?

• A. Amount of soil in the funels
• B. Size of funnels
• C. Size of bottles colleting the draining water
• D. Amount of water added to the funnels

23.

The following are effects of soil erosion

• ​(i) Small holes in the ground
• (ii) Top layer of soil missing
• (iii) Small and shallow channels in the ground
• (iv) V-shaped trenches in the ground

Which effects are as a result of splash and rill types of erosion?

• A. (i) and (iv)
• B. (i) and (iii)
• C. (ii) and (iii)
• D. (ii) and (iv)

24.

Which of the following liquids mix?

• A. Kerosene and water
• B. Water and milk
• C. Milk and kerosene
• D. Cooking oil and mil

25.

The diagram below represents a setup that can be used to demostrate a certain property of metals

​Which property of metals was being demonstrated?

• A. Metals expand when heated
• B. Metals bend when heated
• C. Solids conduct heat
• D. Hot metals are pulled down by weight

ANSWERS

1. B
2. C
3. A
4. D
5. A
6. C
7. D
8. C
9. A
10. C
11. C
12. B
13. A
14. B
15. A
16. A
17. C
18. C
19. D
20. B
21. D
22. C
23. B
24. B
25. A

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