GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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corona
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retina
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iris
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cerebrum
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Detailed explanation-1: -Iris: The iris is the colored part of the eye that surrounds the pupil. It regulates the amount of light that enters the eye. Lens: The lens is a clear part of the eye behind the iris that helps to focus light and images on the retina.
Detailed explanation-2: -Iris regulates the amount of light entering the eye by adjusting its size. Iris is a thin membrane, which controls pupil which in turn regulates the amount of light entering the eye.
Detailed explanation-3: -It is the pupil (or aperture of the eye) through which light enters our eyes. The relaxation and contraction of the muscular fibres of the iris regulate the opening and closing of the pupil. Hence, it is the pupil that controls the amount of light entering our eyes.
Detailed explanation-4: -(I-ris) The colored tissue at the front of the eye that contains the pupil in the center. The iris helps control the size of the pupil to let more or less light into the eye.