O-LevelBiologyEcology & Environment5090/12 · May/June 2014 · Q301 Mark

The diagram shows some of the stages in the carbon cycle. [Figure 30 - Diagram showing the carbon cycle with 'carbon dioxide in the atmosphere' at the top, leading to plants (via process F), animals (via process G), and microorganisms (via process H)] What are processes F, G and H?

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Aphotosynthesis, respiration, photosynthesis

Bphotosynthesis, respiration, respiration

Crespiration, respiration, respiration

Drespiration, photosynthesis, photosynthesis

✓ Correct answer

C: respiration, respiration, respiration

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2014 Paper 1 Variant 2, question 30.

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