26. Regular reflection of light occurs when the reflector is
A. smooth with black surface
B. smooth with shiny surface
C. rough with black surface
D. rough with white surface
27. The main advantage of sexual reproduction over asexual reproduction is that sexual reproduction
A. is quicker than asexual reproduction
B. provides more offspring than asexual reproduction
C. brings about more variation than asexual reproduction
D. takes places at all times
28. Maize is a cereal because it
A. produces seeds
B. has narrow leaves
C. has large roots
D. grows in marginal soil
29. Which of the following pairs of elements can combine to form an ionic compound?
A. C and O
B. Al and Mg
C. H and S
D. Cu and O
30. Which of the following characteristics can be used to distinguish between the same note played on a piano and an organ?
A. beat
B. loudness
C. pitch
D. quality
31. The relative proportion of various particle sizes in a given soil sample is called
A. coarseness
B. profile
C. structure
D. texture
32. An object placed between a converging lens and its principal focus produces an image which is always
I. erect
II. virtual
III. real
IV. magnified
A. I and II only
B. II and IV only
C. I, II and IV only
D. I, III and IV only
33. Which of the following bones form the axial skeleton in mammals?
I. Limb and limb girdles
II. The vertebral column
III. The skull
IV. Ribs and sternum
A. I and II only
B. I and III only
C. II and III only
D. III and IV only
34. The general formula for alkanes is
A. CnH2n
B. CnH2n−2
C. CnH2n+1
D. CnH2n+2
35. Transfusion of incompatible to a patient may lead to the
A. formation of clots of blood
B. production of antigens
C. rupture of the red blood cells
D. reduction in the number of white blood cells
36. Policies aimed at conserving natural resources should ensure that the
A. resources of the country are exported for foreign exchange
B. citizens of the country help to keep the environment clean
C. resources to sustain the present and future generations are properly managed
D. resources are managed such that every citizen can obtain a fair share of the national cake
37. Which of the following salts can cause temporary hardness of water?
A. CaSO4
B. MgCl2
C. Fe2(SO4)3
D. Ca(HCO3)2
38. The frictional force between two bodies depends on the
A. Area of the surfaces in contact
B. Speed at which the bodies are moving
C. Nature of the surfaces of the bodies in contact
D. Moment of the bodies in contact
39. Mercury is used as a thermometer liquid because it
A. has a low heat capacity
B. is colourless
C. does not vaporize
D. has a high density
40. The skin of a mammal excretes
A. salts and water only
B. water and urea only
C. water and carbon dioxide only
D. salts, urea and carbon dioxide only
The diagram below is an illustration of an agricultural tool. Use it to answer Questions 41 and 42.
41. The tool illustrated is
A. sickle
B. shear
C. rake
D. mattock
42. The tool is used to
A. lift and turn the soil
B. turn compost heap
C. uproot small stumps
D. level and gather rubbish
43. Which of the following processes in living organisms take place by diffusion?
I. Removal of waste products from plants and animals
II. Absorption of mineral salts by plants from soil through root hair cells
III. Digested food, mineral salts get into the blood stream from the ileum of a mammal
IV. Absorption of water in the large intestine of mammals
A. I and II only
B. III and IV only
C. I, II and III only
D. II, III and IV only
44. The power rating of an electric stove is 750 W. Determine the current flowing through it if its resistance is 15 Ω
A. 7.07 A
B. 50.00 A
C. 62.50 A
D. 6250.00 A
45. In a certain breed of cattle, black fur was dominant over white fur. Determine the possible genotype of a cattle with black fur which produces a white calf.
A. BB
B. BW
C. Bw
D. Bb
46. Which of the following factors account for the rate of production of hydrogen in the reaction below:
2HCl + Mg → H2 + MgCl2
I. concentration of the acid
II. surface area of the magnesium
III. temperature
IV. pressure of the atmosphere
A. I and II only
B. III and IV only
C. I, II and III only
D. II, III and IV only
47. A bell jar contains a ringing bell. As the air inside is pumped out, the sound intensity gradually decreases because
A. a medium is needed for sound transmission
B. the sound has turned into stationary waves
C. the sound cannot pass through the solid bell jar
D. the air inside the jar is heated
48. Which of the following activities are performed when a person is involved in an electric shock?
I. using a dry material to put off the main source of electric supply
II. covering the victim with extra clothing for warmth
III. massaging the victim
IV. administering artificial respiration to sustain the victim
A. I and II only
B. III and IV only
C. I, II and III only
D. I, III and IV only
49. Dipping is an important husbandry practice in farm animal production because it
A. control endoparasites
B. prevents bacterial attack
C. controls ectoparasites
D. improves upon growth rate
50. A seed imbibes water through the
A. Hilum
B. Integument
C. Micropyle
D. Testa
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