O-LevelBiologyGenetics & Variation5090/11 · Oct/Nov 2022 · Q391 Mark

In a garden there is a species of insect which can be either red or green in colour. The green insects are well camouflaged. Birds that eat insects start to live in the garden. The graph shows how the populations of red and green insects then change. What is this an example of?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Aartificial selection

Bcontinuous variation

Cincomplete dominance

Dnatural selection

✓ Correct answer

D: natural selection

Oracle Prep sorts past-paper questions by topic, so you can drill Genetics & Variation and see which topics are most likely to come up next.

Topic: Genetics & Variation, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2022 Paper 1 Variant 1, question 39.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content