O-LevelBiologyCoordination & Response5090/11 · Oct/Nov 2023 · Q281 Mark

An experiment on the growth of a young plant shoot was set up, as shown. What does the shoot look like after 48 hours?

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 shows a plant shoot bent towards light with aluminium foil intact]

B[Diagram B shows a plant shoot bent towards light without aluminium foil]

C[Diagram C shows a plant shoot growing straight up without aluminium foil]

D[Diagram D shows a plant shoot growing straight up with aluminium foil intact]

✓ Correct answer

A: [Diagram A shows a plant shoot bent towards light with aluminium foil intact]

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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 1, question 28.

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