WAEC Biology 2015 Objective — Question 36
Question 36 of 50 from the West African Examinations Council (WAEC) Biology 2015 Objective paper, with the correct answer and a full explanation.
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Oil applied to the surface of water kills the larvae of mosquitoes through
- A. dehydration
- B. poisoning
- C. starvation
- D. suffocationCorrect
Explanation
The oil layer prevents air from entering the water, so the mosquito larvae, which need to breathe atmospheric air, die of suffocation.
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