A dark muscular diaphragm that controls the size of the pupil is ______.

Ciliary muscle

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Aqueous humour

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Iris

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Cornea

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Solution

The correct option is C
Iris

Iris is a dark muscular diaphragm that controls the size of the pupil.

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Similar questions

Label the eye parts correctly.

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Human eyeball consists of three layers and it encloses

(a) lens, iris, optic nerve

(b) lens, aqueous humour and vitreous humour

(d) cornea, lens, optic nerve

Label the eye parts correctly.i) Aqueous humour ii) vitreous humour iii) cornea iv) iris v) pupil

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