SCIENCE - KCPE 2020 PREDICTION 1 SET 2

1. In the female reproductive system, where is the zygote formed?
   A. Uterus
   B. Oviduct
   C. Ovary
   D. Birth Canal
2. A person suffering from Cholera loses a lot of
   water through
   A. urine and vomiting
   B. urine and sweat
   C. diarrhoea and vomiting
   D sweat and diarrhea
3. Which one is a health effect of drug abuse?
   A. Truancy
   B. Rape
   C. Drug induced accidents
   D. Withdrawal
4. Which of these animals is correctly matched
   with the way it protects itself?
   A. Centipede – Coiling
   B. Newt – Flying
   C. Grasshopper – Stinging
   D. Snail - Hiding in its shell
5. The illustration below is of a lever;
   
   The lever above represents the
   A. wheelbarrow
   B. claw hammer
   C. spade
   D. crowbar
6. The force that opposes motion is called
   A. friction
   B. weight
   C. mass 
   D. inertia
7. Which of the following causes bleeding gums?
   A. Acid
   B. Chocolate
   C. Plaque
   D. Cavities
8. Below are organs found on the body;
   (i) The heart
   (ii) The lungs
   (iii) The kidney
   (iv) The skin
   Which of the above is not an excretory organ?
   A. (iv)
   B. (ii)
   C. (iii)
   D. (i)
9. Which of the following is a source of heat?
   A. Firefly
   B. Gas
   C. Moon
   D. Torch
10. A pupil set up an experiment as shown below.
    He added water into the containers.
    
    What property of liquids was the pupil investigating?
    A. Liquids have definite volume
    B. Liquids have definite mass
    C. Liquids have definite shape
    D. Liquids have no definite shape
11. Chemicals should not be stored in soda bottles so as to avoid
    A. causing fire
    B. wrong usage
    C. using expired chemicals
    D. polluting the environment
12. Blood plasma transports all the following except
    A. digested food
    B. carbon dioxide
    C. waste products
    D. oxygen
13. The following are steps followed when investigating drainage and water retention in the soil;
    (i) Put soils in funnels
    (ii) Place funnels on the bottles
    (iii) Put cotton in the funnels
    (iv) Put water in the funnels
    Which one of the above is the first step?
    A. (iv)
    B. (i)
    C. (ii)
    D. (iii)
14. Which of the following types of soil erosion can best be controlled by building gabions?
    A. Rill erosion
    B. Sheet erosion
    C. Gulley erosion
    D. Splash erosion
15. Heat from the sun reaches the earth's surface through
    A. convection
    B. conduction
    C. radiation
    D. refraction
16. Which is the largest planet?
    A. Jupiter
    B. Mars
    C. Neptune
    D. Saturn
17. The chart below is of composition of air
    
    The gas used in preserving food is
    A. N
    B. K
    C. M
    D. L
18. Below are materials carried by class six pupils for use in a Science lesson.
    (i) Clean water
    (ii) Frosted glass
    (iii) Mirror
    (iv) Oiled paper
    Which of the above substances cannot allow light to pass through?
    A. (iv)
    B. (i)
    C. (iii)
    D. (ii)
19. The following are sources of water except
    A. tap
    B. dam
    C. ocean
    D. river
20. Digestion of food ends in the
    A. large intestine
    B. stomach
    C. anus
    D. small intestine
21. The following are characteristics of nimbus clouds except
    A. dark grey in colour
    B. keeps on changing
    C. found low in the sky
    D. appears like bundles of cotton wool
22. Which one of the following is a myth about HIV and AIDS?
    A. HIV has no cure
    B. HIV can be transmitted through mosquito bites
    C. HIV is real
    D. HIV is transmitted through body fluids
23. Which pair contains cereal crops only?
    A. Maize and beans
    B. Sorghum and peas
    C. Wheat and barley
    D. Rice and groundnuts
24. Which animal is correctly matched with its product?
    A. Goat – Dairy
    B. Broiler – Eggs
    C. Sheep – Mohair
    D. Pig – Mutton
25. The digestive juice that helps in digesting fats and oils is manufactured in the
    A. gall bladder
    B. pancreas
    C. stomach
    D. liver
26. The most effective method of controlling weeds is
    A. uprooting
    B. digging out
    C. slashing
    D. burning
27. Which of the following diseases is its immunization given the most number of times?
    A. Polio
    B. Tuberculosis
    C. Measles
    D. Diptheria
28. The following are disadvantages of inorganic fertilizers. Which one is NOT?
    A. They are expensive
    B. They pollute the soil if excessively used
    C. They are not bulky
    D. They do not improve the physical features of the soil
29. The following are components of concentrates except
    A. vitamins
    B. water
    C. proteins
    D. carbohydrates
30. Below is a simple circuit; 
    
    Which of the following substances if placed at M shall the bulb light?
    A. Graphite
    B. Paper
    C. Drywood
    D. Glass
31. Which of the following crop pests mainly attack seedlings?
    A. Aphid
    B. Stalk borer
    C. Weevil
    D. Cutworm
32. The chart below is of classification of plants;
    
    Which of the following plants will fill in X, Y, Z respectively?
    A. Beans, sisal, algae
    B. Maize, cypress, fern
    C. Sisal, moss, bracket tree
    D. Peas, mould, puffball
33. Which one of the following is found in the dermis part of the skin?
    A. Hair
    B. Sweat glands
    C. Epidermis
    D. Sweat pores
34. The following are ways of controlling external parasites in livestock except
    A. dipping
    B. dusting
    C. spraying
    D. dosing
35. A metallic plate can be made to be a sinker by changing its
    A. mass
    B. volume
    C. size
    D. shape
36. Below is a weather instrument;
    
    The weather instrument above works on the principle that
    A. liquids expand on heating
    B. air exerts pressure
    C. matter changes state on heating
    D. air contracts on cooling
37. One of the following is both a modern and traditional method of preserving food. Which one?
    A. Canning
    B. Freezing
    C. Drying
    D. Smoking
38. The main purpose of adding ash in a compost heap is to
    A. encourage faster decomposition
    B. encourage circulation of air
    C. supply additional nutrients
    D. introduce bacteria to the compost
39. Creep pellets are concentrates fed to
    A. layers
    B. piglets
    C. calves
    D. Sows
40. The similarity between a toad and a hawk is that both are
    A. cold blooded
    B. invertebrates
    C. warm blooded
    D. vertebrates
41. Below is a type of plant root; 
    
    Which of the following plants have the above type of root?
    A. Wheat
    B. Millet
    C. Rice
    D. Acacia
42. Tuberculosis can best be prevented by
    A. living in a well ventilated room
    B. maintaining high standard of hygiene
    C. getting a vaccination against the disease
    D. avoiding overcrowded places
43. A person with HIV tests negative during which stage?
    A. Incubation
    B. Window
    C. Full blown
    D. Symptomatic
44. One of the following is a way of conserving water by re-using. Which one is it?
    A. Storing in dams
    B. Closing all running taps when not in use
    C. Using laundry water to clean the house
    D. Using the drip method of irrigation
45. A doctor advised a parent having child with a deficiency disease to feed the child mainly on proteins. The child was likely suffering from
    A. Kwashiorkor
    B. Anaemia
    C. Marasmus
    D. Rickets
46. The diagram below is of a periscope. 
    
    Which letter shows the position of the image of the real object?
    A. X
    B. Z
    C. K
    D. M
47. Which of the following is not a narcotic drug?
    A. Bhang
    B. Mandrax
    C. Cocaine
    D. Khat
48. When you rub two balloons against your sweater and bring them together, they will
    A. attract
    B. burst
    C. repel 
    D. deflate
49. Which of the following states of matter does not
    change state on heating?
    A. Liquids
    B. Gases
    C. Solids
    D. Both liquids and gases
50. Class seven pupils performed the experiment below.
    
    They concluded that water
    A. is a good conductor of heat
    B. changes state on heating
    C. expands on heating
    D. is a poor conductor of heat

MARKING SCHEME