BECE mock exam

Science — Metro mock March 2026 Science

80 questions to work through. Answer them here, or take the whole thing timed with an account.

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1. [1]

BECE mock · Science

Which of the following pairs of energy sources is environmentally friendly?
2. [1]

BECE mock · Science

In making ornaments and jewellery, non-reactive metals are preferred because they
3. [1]

BECE mock · Science

The primary purpose of respiration in man is to I. Take in oxygen II. Release carbon dioxide III. Regulate body temperature
4. [1]

BECE mock · Science

The energy transformation that occurs when sodium hydroxide is dissolved in water is
5. [1]

BECE mock · Science

A mother took her child to the hospital and upon investigation, it was noticed that the child's diet was lacking in zinc. What could this result in? I. Decreased growth in the child II. Anaemia and constipation III. Inability of the body to fight infection
6. [1]

BECE mock · Science

Which of the following nursery beds is suitable for a flood prone area?
7. [1]

BECE mock · Science

A student is to measure 20cm³ of a sodium hydroxide solution. What instrument could be used?
8. [1]

BECE mock · Science

The following devices work based on the principle of pressure in fluids except
9. [1]

BECE mock · Science

An electric bulb is rated 0.5 A, 120 V. Determine the power produced when the bulb is turned on
10. [1]

BECE mock · Science

The simplest way of making well water suitable for laundry is by
11. [1]

BECE mock · Science

When a stick is dipped into a pool of water, it appears to
12. [1]

BECE mock · Science

Which of the following sources of energy is non-renewable? I. Coal II. Solar III. Wind IV. Uranium-236
13. [1]

BECE mock · Science

Grasshopper management is crucial because of all the following reasons except
14. [1]

BECE mock · Science

The defect identified is mostly caused by a deficiency in
15. [1]

BECE mock · Science

What ingredient could be added to the feed to correct the defect?
16. [1]

BECE mock · Science

Chlorophyll helps plants absorb energy from the sun as they undergo the process of photosynthesis. It is located in a structure called
17. [1]

BECE mock · Science

The building block of a material with the smallest unit of matter that retains the properties of an element is
18. [1]

BECE mock · Science

A livestock farmer wants to achieve good health for the animals being reared. Which of the following activities should be undertaken by the farmer? I. Have vaccination schedule for the animals II. Provide balanced ration to the animals III. Provide good sanitation for the animals
19. [1]

BECE mock · Science

A hunter experiences a backward force upon firing a gun. Which of the Newton’s laws of motion is demonstrated in the situation?
20. [1]

BECE mock · Science

A metallic ladle was left in a boiling soup. After sometime, the handle became hot. This is because the particles in the ladle
21. [1]

BECE mock · Science

A bowl of water on a gas stove was initially cold. It became warm after sometime. What was the mode of heat transfer in the water?
22. [1]

BECE mock · Science

The consequences of the greenhouse effect on humans include I. Flooding of coastal cities II. Desertification of fertile areas III. Increased number of storms IV. Increased use of fossil fuels
23. [1]

BECE mock · Science

Canned foods and drinks have expiry dates on them. The hazard involved in taking an expired drink is
24. [1]

BECE mock · Science

Oil from a mechanic workshop accidentally spilled into a pool of water which was breeding mosquitoes. After sometime, the pool of water was no longer breeding mosquitoes. Which control method may have been deployed?
25. [1]

BECE mock · Science

Which of the following sets of devices operate on the principle of magnetism?
26. [1]

BECE mock · Science

A natural phenomenon that illustrates the dispersal of light is
27. [1]

BECE mock · Science

Cockroaches in a cupboard were killed after an insecticide had been sprayed. The insecticide reached the cockroaches by the process of
28. [1]

BECE mock · Science

A student who complained of stomach upset was given first aid with Mg(OH)₂ boldly written on it. What could be the common name of the first aid the student given?
29. [1]

BECE mock · Science

The portion of air which acts as a solvent is
30. [1]

BECE mock · Science

Which of the following electrical appliances can convert electrical energy to heat energy? I. Electric iron II. Kettle III. Water heater
31. [1]

BECE mock · Science

Which of the following elements has four electron shells?
32. [1]

BECE mock · Science

Nitrogen deficiency in soils causes
33. [1]

BECE mock · Science

Which of the following natural cycles directly involves the sun? I. Carbon cycle II. Water cycle III. Nitrogen cycle
34. [1]

BECE mock · Science

The unit inscribed on the bulb measures its
35. [1]

BECE mock · Science

The 50 W bulb is likely to I. Increase the brightness in the room II. Increase the amount of electricity consumed III. Destroyed the habitat of pests
36. [1]

BECE mock · Science

The following processes are chemical except
37. [1]

BECE mock · Science

A substance that could be used in large scale treatment of domestic water is
38. [1]

BECE mock · Science

Which of the following statements best describes the term green economy? It includes
39. [1]

BECE mock · Science

Digestion of rice in humans starts from the
40. [1]

BECE mock · Science

Two unknown solutions labelled A and B were brought to a JHS 3 class. It was observed that in solution A, red litmus paper changed colour to blue, whiles in solution B, red litmus paper retained its colour. What could be the content of solution A?
41. [2]

BECE mock · Science

The diagram shows an instrument used to measure mass and a setup for determining the volume of an irregular object. Name the instrument shown in figure A.
Diagram for question 41
42. [3]

BECE mock · Science

Describe how to determine the mass of sugar using the instrument shown A.
Diagram for question 42
43. [2]

BECE mock · Science

Identify parts I and II in the setup.
Diagram for question 43
44. [2]

BECE mock · Science

State two precautions to obtain reliable volume results.
Diagram for question 44
45. [1]

BECE mock · Science

State the physical quantity that the outcome of A and B could help achieve.
Diagram for question 45
46. [4]

BECE mock · Science

Name parts A, B, C and D.
Diagram for question 46
47. [1]

BECE mock · Science

State the physical property of the components of the mixture that makes their separation possible.
Diagram for question 47
48. [2]

BECE mock · Science

State which component is collected first and last.
Diagram for question 48
49. [2]

BECE mock · Science

State two precautions to be taken to obtain a reliable result.
Diagram for question 49
50. [1]

BECE mock · Science

State the function of the part labelled II.
Diagram for question 50
51. [5]

BECE mock · Science

Design a four-year crop rotation plan using maize, cowpea, cassava and cabbage.
52. [2]

BECE mock · Science

Explain two reasons for selecting a particular sequence in a crop rotational program.
53. [2]

BECE mock · Science

Explain the role of cowpea in crop rotation.
54. [1]

BECE mock · Science

Suggest another crop that can replace cowpea.
55. [4]

BECE mock · Science

State one function each of parts I, II, IX and X of the heart.
Diagram for question 55
56. [2]

BECE mock · Science

Explain why the left side of the heart is thicker.
Diagram for question 56
57. [2]

BECE mock · Science

State two ways by which the flow of blood to and from the mammalian heart can be kept at an acceptable level.
58. [2]

BECE mock · Science

Name two parts of the heart where oxygenated blood can be found.
59. [6]

BECE mock · Science

Explain mulching, pruning and thinning out.
60. [7]

BECE mock · Science

A 1000 kg vehicle accelerates from 100 m/s to 150 m/s in 10 s. Calculate acceleration, force and momentum.
61. [3]

BECE mock · Science

List three causes of cannibalism in poultry.
62. [2]

BECE mock · Science

Give two reasons gold is a metal.
63. [2]

BECE mock · Science

State two importance of water to farm animals.
64. [4]

BECE mock · Science

i. Identify stages A and B. ii. Describe the stage that comes before stage A and comes after stage A. iii. Explain the process of stage B
Diagram for question 64
65. [6]

BECE mock · Science

State two methods each for controlling mosquitoes at stages III and IV.
Diagram for question 65
66. [3]

BECE mock · Science

State three benefits of predators in pest control.
67. [2]

BECE mock · Science

Calculate resistance of LED (2V, 12.5mA).
68. [2]

BECE mock · Science

State two functions of blood plasma.
69. [3]

BECE mock · Science

Mention three fish adaptations.
70. [3]

BECE mock · Science

State three ways carbon returns to atmosphere.
71. [2]

BECE mock · Science

Give two reasons Earth supports life.
72. [3]

BECE mock · Science

Mention Three ways of prolonging the usefulness of the farm tool shown below
Diagram for question 72
73. [2]

BECE mock · Science

State elements forming ammonia.
74. [3]

BECE mock · Science

State three features of a plant cell.
75. [3]

BECE mock · Science

Differentiate goat and rabbit digestion.
76. [3]

BECE mock · Science

State LPG safety precautions.
77. [3]

BECE mock · Science

Explain shadow formation.
78. [2]

BECE mock · Science

Mention two LED devices.
79. [4]

BECE mock · Science

From the diagram below, suggest a suitable aim for the experiment and state the role and function of the part B
Diagram for question 79
80. [6]

BECE mock · Science

State functions of nerve, muscle and white blood cells.

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