BECE mock exam

Science — Palm & Cedar March 2026 Science

82 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

The process by which living things such as plants take up nitrogen in the soil in the form of nitrates is termed as
2. [1]

BECE mock · Science

The inorganic mineral particles of the soil are derived from
3. [1]

BECE mock · Science

The gas responsible for global warming is
4. [1]

BECE mock · Science

One reason for brushing the teeth regularly is to
5. [1]

BECE mock · Science

An element A has two electrons in the outermost shell. Another element B has six electrons in its outer shell. The most likely compound which can be formed when they combine is
6. [1]

BECE mock · Science

Which of the following structures controls the passage of dissolved substances in and out of living cells?
7. [1]

BECE mock · Science

A machine has a velocity ratio of 9 and needs an effort of 10 N to move a load of 50 N. Calculate the efficiency of the machine
8. [1]

BECE mock · Science

During exhalation, air is forced out of the lungs because
9. [1]

BECE mock · Science

The best period to harvest fodder for preparing hay or silage is
10. [1]

BECE mock · Science

Which of the following chemical formulae correctly represents Aluminium sulphate?
11. [1]

BECE mock · Science

If a fertilizer contains an ammonium compound, which element is present in the fertilizer?
12. [1]

BECE mock · Science

Which of the following is a natural parent rock?
13. [1]

BECE mock · Science

Which of the following diseases is caused by virus?
14. [1]

BECE mock · Science

In household wiring, appliances are connected in parallel for each of them to get the same
15. [1]

BECE mock · Science

The bronchi in the lungs divide into smaller branches which end up in tiny sacs called
16. [1]

BECE mock · Science

The AIDS virus destroys the body tissues rapidly because
17. [1]

BECE mock · Science

Acidity of the soil may be reduced by
18. [1]

BECE mock · Science

Living cells of both plants and animals contain
19. [1]

BECE mock · Science

When a force is applied to a body, it can result in a change in all the following except
20. [1]

BECE mock · Science

Which of the following specialized cells lack nucleus?
21. [1]

BECE mock · Science

Photosynthesis does not take place in the dark because
22. [1]

BECE mock · Science

All the following are colloids except
23. [1]

BECE mock · Science

The ability of the human body to resist infection by producing antibodies is termed
24. [1]

BECE mock · Science

An atom with a mass number of 23 has 11 protons. How many charged particles are in the atom?
25. [1]

BECE mock · Science

According to World Health Organization, the definition of health includes
26. [1]

BECE mock · Science

A river contaminated by alkali waste will have a pH of about
27. [1]

BECE mock · Science

When the particles making up a substance are closely packed, fixed in position and regularly arranged, the substance is likely to be in the
28. [1]

BECE mock · Science

The non-metal among the following elements is
29. [1]

BECE mock · Science

Which of the following statements is correct?
30. [1]

BECE mock · Science

A symptom of calcium deficiency is
31. [1]

BECE mock · Science

Which of the following pairs of crops belong to the same group?
32. [1]

BECE mock · Science

The site for digestion of all food substances in the human digestive system is the
33. [1]

BECE mock · Science

Parts of plants used for vegetative propagation include I. bulbs II. leaves III. rhizomes
34. [1]

BECE mock · Science

Which of the following statements below about the magnetic properties of iron and steel is correct?
35. [1]

BECE mock · Science

The partitioning of the heart by the septum ensures that
36. [1]

BECE mock · Science

Which of the following are micro-nutrients?
37. [1]

BECE mock · Science

Biogas is obtained from the
38. [1]

BECE mock · Science

Which of the following machines is different from the rest?
39. [1]

BECE mock · Science

Which of the following structures in a plant is concerned with the manufacture of organic food?
40. [1]

BECE mock · Science

An animal with well-developed and pointed canines and strong cheek teeth is likely to feed on
41. [4]

BECE mock · Science

A farmer cultivated four different crops: cassava, millet, cucumber and peas on different plots of the same piece of land using crop rotation. List two principles considered when planning the crop rotational plan.
42. [6]

BECE mock · Science

A farmer cultivated four different crops: cassava, millet, cucumber and peas on different plots of the same piece of land using crop rotation. Using the principles of crop rotation, draw a four-year rotational plan for the crops.
43. [6]

BECE mock · Science

Give three advantages of crop rotation as a farming system.
44. [4]

BECE mock · Science

Briefly explain the role of peas in a crop rotational plan.
45. [4]

BECE mock · Science

Study the diagram showing atoms of two different elements P and Q. Identify, with reason, the group of element P.
Diagram for question 45
46. [4]

BECE mock · Science

Study the diagram showing atoms of two different elements P and Q. Identify, with reason, the period of element Q.
Diagram for question 46
47. [4]

BECE mock · Science

Study the diagram showing atoms of two different elements P and Q. Briefly explain how P and Q are chemically bonded to form a compound.
Diagram for question 47
48. [4]

BECE mock · Science

Study the diagram showing atoms of two different elements P and Q. Give the systematic name and chemical formula of the compound formed by P and Q.
Diagram for question 48
49. [4]

BECE mock · Science

Study the diagram showing atoms of two different elements P and Q. State the observation made when pieces of red and blue litmus papers are dipped into a solution of the compound formed between P & Q.
Diagram for question 49
50. [2]

BECE mock · Science

Study the food web diagram. Name a particular habitat that the food web represents.
Diagram for question 50
51. [4]

BECE mock · Science

Study the food web diagram. Identify two examples each of secondary consumers and producers.
Diagram for question 51
52. [4]

BECE mock · Science

Study the food web diagram. Draw a food chain involving three organisms from the diagram.
Diagram for question 52
53. [4]

BECE mock · Science

Study the food web diagram. Draw a food chain involving four organisms from the diagram.
Diagram for question 53
54. [6]

BECE mock · Science

Give three differences between food web and food chain.
55. [4]

BECE mock · Science

Study the diagram of devices used to generate energy. Identify the devices labelled A and B.
Diagram for question 55
56. [2]

BECE mock · Science

State the type of energy source generated by both devices shown.
Diagram for question 56
57. [4]

BECE mock · Science

Give two benefits of the energy source generated by the devices below.
Diagram for question 57
58. [2]

BECE mock · Science

State one major use of the devices shown below.
Diagram for question 58
59. [4]

BECE mock · Science

State the energy transformations involved in the operation of device B.
Diagram for question 59
60. [2]

BECE mock · Science

Mention one device that can be used to harness energy from the sun.
61. [2]

BECE mock · Science

Name the two particles found in all atomic nuclei.
62. [6]

BECE mock · Science

State three differences between ionic compounds and covalent compounds.
63. [2]

BECE mock · Science

Name the cell organelle responsible for site of cellular respiration.
64. [2]

BECE mock · Science

Name the cell organelle responsible for storage of dissolved minerals and chemicals.
65. [2]

BECE mock · Science

Name the cell organelle responsible for site for protein synthesis.
66. [2]

BECE mock · Science

Name the cell organelle responsible for site for photosynthesis in green plants.
67. [6]

BECE mock · Science

Identify the equipment shown and state three ways it helps reduce heat loss or gain.
Diagram for question 67
68. [4]

BECE mock · Science

Differentiate between land rotation and crop rotation.
69. [4]

BECE mock · Science

Differentiate between mixed farming and mixed cropping.
70. [4]

BECE mock · Science

State two effects of force on an object.
71. [5]

BECE mock · Science

A body of mass 500 g is pulled through a horizontal frictionless floor with an acceleration of 12 m/s². Find the force acting on the body.
72. [6]

BECE mock · Science

Using the table of particles, identify which represent cations, anions, and atoms and Explain the reason for your answer.
Diagram for question 72
73. [6]

BECE mock · Science

Explain four methods of feeding farm animals.
74. [3]

BECE mock · Science

State three ways industrial waste could be made useful.
75. [2]

BECE mock · Science

State one role of nitrogen in crop production.
76. [6]

BECE mock · Science

Copy and complete the pH table and identify strong acid and weak base.
Diagram for question 76
77. [6]

BECE mock · Science

An electrical appliance rated 1.5 kW, 240 V is left running for 2 hours. Calculate current drawn and electrical energy consumed.
78. [6]

BECE mock · Science

Explain the greenhouse effect and climate change and state two effects of climate change.
79. [6]

BECE mock · Science

What is a p-n junction diode and how is it formed and used in forward bias?
80. [5]

BECE mock · Science

Indicate whether given substances are elements, compounds or mixtures.
81. [6]

BECE mock · Science

Identify and explain the methods of applying fertilizers from the image below.
Diagram for question 81
82. [4]

BECE mock · Science

Briefly explain how afforestation and use of old cars affect the carbon cycle.

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