BECE 2022 Integrated Science Past Questions and Answers
The BECE 2022 Integrated Science paper has 39 objective and 6 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. The energy transformation that takes place in a solar cell is
- A. light to chemical.
- B. light to electrical.
- C. electrical to heat.
- D. electrical to light.
Answer: B. light to electrical.
A solar cell changes light energy directly into electrical energy.
A solar cell changes light energy directly into electrical energy.
2. All flowering plants end their life cycle with
- A. seed formation.
- B. seed development.
- C. seed dispersal.
- D. seed germination.
Answer: C. seed dispersal.
A flowering plant's life cycle runs germination → growth → flowering → seed formation. A new cycle starts when the seed germinates.
A flowering plant's life cycle runs germination → growth → flowering → seed formation. A new cycle starts when the seed germinates.
3. Soil texture is a term used to describe the
- A. amount of water soil can hold.
- B. arrangement of soil particles in a given soil.
- C. proportion of sand, silt and clay in a sample of soil.
- D. mixture of all soil particles.
Answer: C. proportion of sand, silt and clay in a sample of soil.
Soil texture is the relative proportion of sand, silt and clay. Arrangement of particles is soil structure.
Soil texture is the relative proportion of sand, silt and clay. Arrangement of particles is soil structure.
4. Which of the following processes is an example of a physical change?
- A. Fermentation of food
- B. Respiration
- C. Magnetization of iron
- D. Lighting a match
Answer: C. Magnetization of iron
Magnetizing iron forms no new substance and can be reversed. The others are chemical changes.
Magnetizing iron forms no new substance and can be reversed. The others are chemical changes.
5. An example of a storage pest is
- A. yam beetle.
- B. capsid.
- C. army worm.
- D. weevil.
Answer: D. weevil.
Weevils attack stored grains. The others are field pests.
Weevils attack stored grains. The others are field pests.
6. The solid component found on the filter paper and the liquid component that flows into a container during filtration are respectively called
- A. filtrate and residue.
- B. condensate and residue.
- C. residue and filtrate.
- D. residue and condensate.
Answer and explanation: practise this paper on ePrep.
7. A capacitor is connected in a series circuit with LED, a battery and a switch. When the circuit is closed, the LED
- A. comes on and stays on.
- B. flashes and goes off.
- C. does not come on.
- D. flashes and stays on.
Answer and explanation: practise this paper on ePrep.
8. The ion that causes hardness in water is
- A. CO$_3^{2-}$.
- B. Mg$^{2+}$.
- C. Na$^{+}$.
- D. OH$^{-}$.
Answer and explanation: practise this paper on ePrep.
9. Which of the following substances are matter?
I. Hydrogen
II. Air
III. Stone
I. Hydrogen
II. Air
III. Stone
- A. I and II only
- B. I and III only
- C. II and III only
- D. I, II and III
Answer and explanation: practise this paper on ePrep.
10. The main reason for staking tomato is to ensure
- A. bigger fruit development.
- B. air circulation on the farm.
- C. upright growth of the plant.
- D. that fruits do not get rotten.
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