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Which of the following is responsible for the adjustment of the size of pupil?

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Question

Which of the following is responsible for the adjustment of the size of pupil?

Options

  • Iris

  • Sclera

  • Lens

  • Choroid

MCQ
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Solution

Iris

Explanation:

The iris is also an extension of the choroid, partially covering the lens and leaving a circular opening in the centre, the pupil.

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Chapter 11: Sense Organs - Review Questions [Page 153]

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Selina Concise Biology [English] Class 10 ICSE
Chapter 11 Sense Organs
Review Questions | Q A. 5. | Page 153
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