Single Answer MCQ
Q-00001920
Explain the function of the iris in the human eye.
1
To focus light on the retina
2
To control the amount of light entering the eye
3
To give color to the eye
4
To protect the eye from dust
Answer and Solution
Answer
B. To control the amount of light entering the eye
Solution:
The iris in the human eye regulates the size of the pupil, controlling the amount of light that enters the eye. By adjusting the pupil size, the iris helps in maintaining proper light levels for clear vision. Therefore, the correct answer is 'To control the amount of light entering the eye'.
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