O-LevelBiologyEcology & Environment5090/12 · May/June 2018 · Q311 Mark

Which action will not help to reduce the spread of the malarial vector in the human population?

Adraining swamps and marshes

Breleasing infertile male mosquitoes into an area where mosquitoes breed

Csleeping under mosquito nets treated with insecticide

Dusing antibiotics to kill the malarial parasite

✓ Correct answer

D: using antibiotics to kill the malarial parasite

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2018 Paper 1 Variant 2, question 31.

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