O-LevelBiologyCoordination & Response5090/12 · Oct/Nov 2016 · Q221 Mark

The eye changes focus from looking at a wristwatch to looking at an aeroplane flying overhead. Which changes occur inside the eye?

Athicker, slack, contract

Bthicker, tight, relax

Cthinner, slack, contract

Dthinner, tight, relax

✓ Correct answer

D: thinner, tight, relax

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2016 Paper 1 Variant 2, question 22.

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