Multiple choice

The colored part of the human eye that controls how much light passes through the pupil is called?

  1. cornea

  2. retina

  3. Cones

  4. Iris
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D Correct answer
Explanation

The iris is the colored part of the eye that contains muscles to control the size of the pupil, thereby regulating how much light enters. The cornea is the clear front surface, the retina is the light-sensing tissue at the back, and cones are photoreceptor cells within the retina.

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