NECO Biology 2025 Objective — Question 21
Question 21 of 50 from the National Examinations Council (NECO) 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 into complex soluble molecules
- D. build up of simple soluble molecules into complex insoluble molecules
Explanation
Chemical digestion involves breaking down complex, insoluble molecules into simple, soluble molecules that can be absorbed by the body.
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