O-LevelBiologyEcology & Environment5090/11 · Oct/Nov 2020 · Q301 Mark

The diagram shows the carbon cycle. [Figure 30.1] What is process X?

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Aburning

Bdecomposition

Cphotosynthesis

Drespiration

✓ Correct answer

D: respiration

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2020 Paper 1 Variant 1, question 30.

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