O-LevelBiologyCoordination & Response5090/12 · Oct/Nov 2022 · Q241 Mark

The flow chart describes a reflex action. Which row correctly fills the flow chart?

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AE: effector, F: relay, G: motor, H: sensory, I: brain

BE: effector, F: sensory, G: relay, H: motor, I: receptor

CE: receptor, F: sensory, G: motor, H: relay, I: effector

DE: receptor, F: motor, G: sensory, H: relay, I: brain

✓ Correct answer

C: E: receptor, F: sensory, G: motor, H: relay, I: effector

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2022 Paper 1 Variant 2, question 24.

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