O-LevelBiologyEcology & Environment5090/11 · May/June 2023 · Q371 Mark

The diagram shows a pyramid of biomass. Which percentage of biomass is passed from the primary consumer to the secondary consumer?

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.

A1%

B10%

C20%

D50%

✓ Correct answer

C: 20%

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2023 Paper 1 Variant 1, question 37.

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