BECE 2024 Integrated Science Past Questions and Answers
The BECE 2024 Integrated Science paper has 39 objective and 5 theory questions. Here are sample objective questions with the correct answers and explanations. Sit the full paper with the real time limit on ePrep.
Sample questions with answers
1. Which of the following sources of energy is non-renewable?
I. Coal
II. Solar
III. Wind
IV. Uranium-236
I. Coal
II. Solar
III. Wind
IV. Uranium-236
- A. I, II and III only
- B. II, III and IV only
- C. I and IV only
- D. II and III only
Answer: C. I and IV only
Coal (a fossil fuel) and uranium (a nuclear fuel) cannot be replaced once used. Solar and wind are renewable.
Coal (a fossil fuel) and uranium (a nuclear fuel) cannot be replaced once used. Solar and wind are renewable.
2. The building block of a material with the smallest unit of matter that retains the properties of an element is
- A. an ion.
- B. an atom.
- C. a molecule.
- D. a proton.
Answer: B. an atom.
An atom is the smallest particle of an element that keeps the properties of that element.
An atom is the smallest particle of an element that keeps the properties of that element.
3. 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?
- A. Biological control
- B. Chemical control
- C. Environmental control
- D. Genetic control
Answer: B. Chemical control
Oil on the water surface suffocates mosquito larvae. Spraying oil (oiling) is a chemical method of control.
Oil on the water surface suffocates mosquito larvae. Spraying oil (oiling) is a chemical method of control.
4. Grasshopper management is crucial because of all the following reasons except
- A. damage to crops.
- B. incomplete metamorphosis.
- C. ecosystem disruption.
- D. livestock harm.
Answer: B. incomplete metamorphosis.
Incomplete metamorphosis is how grasshoppers develop. It is not a reason to control them.
Incomplete metamorphosis is how grasshoppers develop. It is not a reason to control them.
5. A hunter experiences a backward force upon firing a gun. Which of the Newton's laws of motion is demonstrated in the situation?
- A. First law
- B. Second law
- C. Third law
- D. Law of inertia
Answer: C. Third law
Third law: every action has an equal and opposite reaction. The bullet goes forward and the gun recoils backward.
Third law: every action has an equal and opposite reaction. The bullet goes forward and the gun recoils backward.
6. Which of the following sets of devices operate on the principle of magnetism?
- A. Loudspeakers, compass, alarms
- B. Loudspeakers, alarms, LCD TV
- C. Compass, alarms, LCD TV
- D. Compass, loudspeakers, LCD TV
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7. Which of the following elements has four electron shells?
- A. $_{19}$K
- B. $_{13}$Al
- C. $_{15}$P
- D. $_{5}$B
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8. 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 schedules for the animals
II. Provide balanced ration to the animals
III. Provide good sanitation for the animals
I. Have vaccination schedules for the animals
II. Provide balanced ration to the animals
III. Provide good sanitation for the animals
- A. I and II only
- B. II and III only
- C. I and III only
- D. I, II and III
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9. Canned foods and drinks have expiry dates on them. The hazard involved in taking an expired drink is
- A. food poisoning.
- B. impaired hearing.
- C. poor circulation of blood.
- D. suffocation.
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10. 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?
- A. Car battery fluid
- B. Salt solution
- C. Baking soda
- D. Orange juice
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