O-LevelBiologyCoordination & Response5090/12 · Oct/Nov 2023 · Q281 Mark

The diagram shows some seedlings grown in the light. [Figure 28.1] Which statement describes the distribution of auxin in the seedlings?

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AAuxin is equally distributed in experiments 1 and 2.

BAuxin is equally distributed in experiment 1 only.

CAuxin is equally distributed in experiment 2 only.

DAuxin is not distributed equally in experiments 1 and 2.

✓ Correct answer

B: Auxin is equally distributed in experiment 1 only.

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2023 Paper 1 Variant 2, question 28.

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