WAEC Biology 2025 Objective — Question 21
Question 21 of 50 from the West African Examinations Council (WAEC) Biology 2025 Objective paper, with the correct answer and a full explanation.
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Chemical digestion in organisms is the
- A. Breakdown of starch into carbohydrates
- B. Breakdown of complex molecules into simple moleculesCorrect
- C. Build up of simple insoluble molecules
- D. Build up of simple soluble molecules into complex insoluble molecules
Explanation
Chemical digestion involves the breakdown of complex molecules into simpler molecules. For example, starch is broken down into sugars.
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