O-LevelBiologyCoordination & Response5090/12 · Oct/Nov 2018 · Q211 Mark

The diagrams show the eye viewed from the front and its lens in cross-section. [Figure 21.1] Which diagrams show the appearance of the pupil and the shape of the lens when looking up at the sky at night?

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A1 and 3

B1 and 4

C2 and 3

D2 and 4

✓ Correct answer

D: 2 and 4

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2018 Paper 1 Variant 2, question 21.

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