O-LevelBiologyCoordination & Response5090/11 · May/June 2017 · Q211 Mark

A person looks at some hills far away. Which row shows the state of the lenses, ciliary muscles and suspensory ligaments in her eyes?

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Athick lenses (yes), contracted ciliary muscles (yes), suspensory ligaments under tension (yes)

Bthick lenses (yes), contracted ciliary muscles (no), suspensory ligaments under tension (no)

Cthick lenses (no), contracted ciliary muscles (yes), suspensory ligaments under tension (no)

Dthick lenses (no), contracted ciliary muscles (no), suspensory ligaments under tension (yes)

✓ Correct answer

D: thick lenses (no), contracted ciliary muscles (no), suspensory ligaments under tension (yes)

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2017 Paper 1 Variant 1, question 21.

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