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O-LevelBiologyGenetics & Variation5090/11 · Oct/Nov 2013 · Q401 Mark

What is a result of natural selection?

Adogs that are friendly to humans
Bgrapes that contain no seeds
Cmosquitoes that are resistant to insecticides
Donion crops that have a pleasant taste

✓ Correct answer

C: mosquitoes that are resistant to insecticides

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About this question

Topic
Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, Oct/Nov 2013 Paper 1 Variant 1, question 40.

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