O-LevelBiologyEcology & Environment5090/11 · Oct/Nov 2021 · Q291 Mark

Which diagram represents the flow of carbon atoms in an ecosystem? [Figure 29]

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.

A[Diagram A]

B[Diagram B]

C[Diagram C]

D[Diagram D]

✓ Correct answer

A: [Diagram A]

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2021 Paper 1 Variant 1, question 29.

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