The Human Eye and the Colourful World · Class 10 · CBSE Science

Which part of the human eye controls the amount of light entering it by adjusting its size?

Practice question from The Human Eye and the Colourful World (Class 10 · CBSE Science), with the correct answer and a step-by-step solution.

easy · MCQ · Q-3BEC57

Which part of the human eye controls the amount of light entering it by adjusting its size?

  1. A.Ciliary muscles
  2. B.Pupil
  3. C.IrisCorrect answer
  4. D.Retina

Solution

The iris is a dark muscular diaphragm that controls the size of the pupil, thereby regulating the amount of light entering the eye.

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