Question

Where is the pupil situated? (a) Retina (b) Lens (c) Iris (d) Cornea

  • Control and coordination of living organisms
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Answer

Iris

Explanation

The iris is the coloured part of the eye. It is a muscular diaphragm that controls the amount of light that enters the eye. The pupil is the opening in the centre of the iris. It is surrounded by the iris, which is made up of smooth muscle fibres. These muscles contract and relax to adjust the size of the pupil.

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