O-LevelBiologyCoordination & Response5090/11 · Oct/Nov 2021 · Q211 Mark

The diagram shows a front view of the parts of the eye involved in producing a focused image of near and distant objects. [Figure 21] What are structures 1 and 2?

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Astructure 1: ciliary muscles, structure 2: suspensory ligaments

Bstructure 1: iris, structure 2: pupil

Cstructure 1: pupil, structure 2: iris

Dstructure 1: suspensory ligaments, structure 2: ciliary muscles

✓ Correct answer

A: structure 1: ciliary muscles, structure 2: suspensory ligaments

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2021 Paper 1 Variant 1, question 21.

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