1. The method used to separate an insoluble solid from a liquid is
2. The scent of a perfume sprayed at one corner of a room fills the entire room through
3. Which of the following processes is a physical change?
A. Rusting of iron
B. Burning of wood
C. formation of water from hydrogen and oxygen
D. Solidification of water into ice
4. Atoms of the same elements have the same
I. number of electrons
II. number of protons
III. Chemical properties
A. I and II only
B. II and III only
C. I and III only
D. I, II and III
5. The unit of measurement of energy is
6. Which of the following energy transformation takes place at a hydroelectric power station?
A. Potential energy → kinetic energy → electrical energy
B. Potential energy → sound energy → electrical energy
C. Kinetic energy → electrical energy → light energy
D. Electrical energy → light energy → heat energy
7. A drawing of magnetic lines of force provides information on the
A. source of the field
B. type of magnet
C. strength of the field
D. length of the magnet
8. A bottle of water removed from a refrigerator soon becomes covered with droplets of water because the
A. bottle is porous
B. bottle is full of water
C. water in the surrounding atmosphere is colder than the water in the bottle
D. water in the surrounding atmosphere is warmer than the water in the bottle
9. The volume of a metal ball was determined by dropping it into a measuring cylinder containing 20cm3 of water and the water level rose to 35cm3. If the mass of the ball is 35g, calculates the density.
A. 1.0g cm−3
B. 1.6g cm−3
C. 1.8g cm−3
D. 2.3g cm−3
10. A boy stepped on a banana peel on the ground and fell because the
A. boy was not wearing shoes
B. ground was too hard
C. banana peel reduced the friction on the ground
D. banana peel increased the friction on the ground
11. Which of the following conditions describes a first class lever?
A. The load is between the effort and pivot
B. The pivot is between the effort and the load
C. The effort is between the pivot and the load
D. The load arm is equal to the effort arm
12. A man did 75 J work by lifting a 50 N load from the floor on to a shelf. Calculate the height of the shelf.
A. 0.67 m
B. 1.50 m
C. 25.00 m
D. 125.00 m
13. The lion is a carnivore because it eats
D. uncooked food
14. The structure which helps a fish to breathe under water is the
B. air sac
15. The thorns found on some plants are used for
C. absorbing water from the air
D. resisting bush fires
16. The following characteristic are features of all living things except ability to
A. bring forth young ones
D. move from place to place
17. Which of the following parasites lives on field animals?
18. The greatest danger faced by mammals living on land is
A. becoming too cold
B. becoming too hot
C. losing water through evaporation
D. gaining too much water through absorption
19. The insect responsible for the spread of malaria is the
A. female anopheles mosquito
C. male anopheles mosquito
20. Which of the following substances is added to the soil to reduce it acidity?
The figure below shows the arrangement of parts of the soil when some soil sample was shaken with water in a glass cylinder and allowed to settle.
Use it to answer Questions 21 and 22.
21. Which of the labelled layers contains organic matter?
22. The layer which does not have the ability to retain water is
23. Which of the following characteristics applies to only plants?
A. Excretion of waste materials
B. Response to stimuli
C. Ability to manufacture food from simple substances
D. Ability to respire
24. The waste products of respiration are
A. glucose and oxygen
B. carbon dioxide and water
C. carbon dioxide and heat
D. oxygen and water
25. The function of the lungs is to
A. maintain a constant amount of water in the body
B. absorb oxygen from the body
C. absorb carbon dioxide from the blood
D. maintain the temperature of the body constant
26. Which of the following plants reproduce(s) vegetatively?
A. II only
B. I and II only
C. I and III only
D. III only
27. The process which takes place in all living cells is
28. The food substance found in yam is
29. The end-products of the digestion of fats and oils are
A. amino acids and glucose
B. amino acids and glycerol
C. fatty acids and glycerol
D. fatty acids and amino acids
30. Which of the following factors promote plant germination?
I. Adequate temperature
III. Good soil
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
31. The female part of a flower is the
32. Which of the following substances breaks down fats into tiny droplets during digestion?
B. Gastric juice
C. Pancreatic juice
33. Blood in the urine is a symptom of
34. A free movement of the bowels is aided by
A. sleeping at least 6 hours a day
B. washing one's body at least twice a day
C. eating fatty foods
D. eating foods containing fibre
35. Which of the following diseases is spread through the air?
36. How many days in a month does the moon appear?
A. 7 days
B. 14 days
C. 21 days
D. 28 days
37. The earth moves completely round the sun once in every
A. 1 day
B. 28 days
C. 30 days
D. 365 days
38. A smaller heavenly body, which orbits a bigger one could be described as a
39. Which of the following parasites is a plant?
40. Which of the following substances is not a constituent of a balanced diet?
C. Table salt