WAEC Biology 2017 Objective — Question 38
Question 38 of 50 from the West African Examinations Council (WAEC) Biology 2017 Objective paper, with the correct answer and a full explanation.
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Which of the following materials is not easily biodegradable?
- A. A. Polythene bagCorrect
- B. B. Cotton bag
- C. C. Hides and skin bag
- D. D. Paper bag
Explanation
Non-biodegradable substances are those that cannot be broken down into simple harmless substances by living organisms, e.g. glass, stone, plastic, etc. Paper, cotton, hides and skin are biodegradable while polythene is non-biodegradable.
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