Single Answer MCQ
Q-00001691
What is the function of the iris in the human eye?
1
To focus light on the retina
2
To convert light into electrical signals
3
To regulate the size of the pupil
4
To transmit signals to the brain
Answer and Solution
Answer
C. To regulate the size of the pupil
Solution:
The iris in the human eye controls the size of the pupil, which determines the amount of light entering the eye. By adjusting the size of the pupil, the iris helps in regulating the intensity of light reaching the retina. Therefore, the correct answer is 'To regulate the size of the pupil'.
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