1. Which of the following quantities is not a vector quantity?
A. force
B. mass
C. velocity
D. weight
B
2. Microbes are useful in the leather industry for
A. their use in tanning leather
B. beautifying leather products,
C. protecting leather against the environment
D. providing raw materials to the industry
A
3. The inorganic mineral particles of the soil are derived from
A. decaying animals
B. parent rock
C. decaying plants
D. root nodules
B
4. One reason for brushing the teeth regularly is to
A. reduce the amount of saliva in the mouth
B. remove dead cheek cells from the mouth
C. dilute the alkali content
D. reduce bacterial activity in the mouth
D
5. A converging lens can be used as magnifying glass, only when the object is placed
A. at the focal point
B. between the focal point and a distance twice the focal point
C. between the focal point and the optical centre
D. at a distance twice the focal length
C
6. Heavy traffic in cities causes
I. air pollution
II. noise pollution
III. hindrance to fast movement
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
D
7. Which of the following compounds represents an alkanol?
A. CH3COH
B. CH3COOH
C. CH3CH2OH
D. CH3COCH3
C
8. Kinetic and potential energies are known collectively as
A. chemical energy
B. gravitational energy
C. mechanical energy
D. renewable energy
C
9. An element A has two electrons in its outer shell. Another element B has six electrons in its outer shell. The most likely compound which can be formed by the combination of the two elements is
A. AB
B. AB2
C. A2B
D. A2B2
A
10. Which of the following structures controls the passage of dissolved substances in and out of living cells?
A. cell membrane
B. cytoplasm
C. Golgi bodies
D. nucleus
A
11. Pollution by carbon monoxide can be minimized by
A. effective burning of fuel
B. incomplete burning of fuel
C. using firewood as fuel
D. using petrol as fuel
A
12. Which of the following diseases is correctly matched with the animal it infects?
A. Rinderpest → chicken
B. Trypanosomiasis → cattle
C. Aspergillosis → pig
D. Anthrax → turkey
B
13. The advantages of family planning does not include
A. giving each child enough attention
B. reducing pressure on social amenities
C. preserving the health of the mother
D. choosing the sex of children to be born
D
14. Which of the following statements about non-dehiscent fruits is true?
A. their walls dry at maturity
B. their seeds are dispersed by wind
C. they contain numerous seeds
D. they do not split open when mature
D
15. A machine has a velocity ratio of 9 and needs an effort of 10 N to lift a load of 50 N. Calculate the efficiency of the machine.
A. 5%
B. 45%
C. 55%
D. 90%
C
16. The breakdown of cellulose by bacteria in ruminants occurs in the
A. abomasum
B. amsum
C. reticulum
D. rumen
D
17. A student performed an experiment to determine the percentage of air in a soil sample. The following were the readings: volume of water in measuring cylinder = 500cm3, volume of the soil added to water = 350cm3, volume of soil and water after stirring = 800cm3. What is the percentage of air in the soil?
A. 6.25%
B. 10.36%
C. 14.28%
D. 62.50%
A
18. In computer language, data can be defined as
A. raw facts that are fed into the computer
B. important business decisions stored on the computer
C. symbols and letters used in the computer
D. programs on a floppy disk
A
19. A body of mass 100.0 kg moves with a velocity of 8.0 ms−1. Calculate its kinetic energy
A. 400.0 J
B. 800.0 J
C. 3200.0 J
D. 4000.0 J
C
20. Which of the following characteristics is discontinuous variation?
A. blood group of patients in a hospital
B. complexion of members of a church
C. height of pupils in a class
D. weight of athletes in a team
A
21. The quantity of heat contained in a body does not depend on the
A. density of the body
B. mass of the body
C. temperature of the body
D. volume of the body
D
22. Female circumcision comes with all the following dangers except
A. development of frigidity.
B. excessive loss of blood
C. getting infected with diseases
D. having children with reduced intelligence
D
23. Which of the following processes is a physical process?
A. electrolysis
B. evaporation
C. photosynthesis
D. respiration
B
24. The following are all methods of maintaining sanitation in the community except
A. clearing of gutters
B. draining of stagnant waters
C. fitting of mosquito nets to houses
D. weeding around houses
C
25. A body of mass of 40.0 kg climbs a wall 2.0m high. What is the work done against gravity if g=10.0ms-2)
A. 80.0 J
B. 160.0 J
C. 200.0 J
D. 800.0 J
D
26. One reason why the spinal cord is enclosed in the neural canal is because
A. it is delicate
B. it is located at the back of the body
C. its distribution in the body must be restricted
D. it is an extension of brain
A
27. Which of the following tools is an example of a second class lever?
A. a claw hammer
B. a pair of tongs
C. a pair of scissors
D. a wheelbarrow
D
28. During exhalation, air is forced out of the lungs because
A. the concentration of carbon dioxide is higher within the lungs
B. pressure in the lungs is increased
C. the muscles of the diaphragm contract
D. the rib cage is raised upwards
B
29. An electric kettle is rated 2000W, 240V. Which of the following fuse ratings will you recommend for the kettle?
A. 5.0A
B. 8.3A
C. 13.0A
D. 15.0A
B
30. Which of the following ornamental plants is propagated by seed?
A. Croton
B. Ice plant
C. Milk bush
D. Red Ixora
C
