Solved UPSC CDS/OTA Question
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Q · Human Eye and Colourful WorldMedium · 45s
Which part of the human eye controls the amount of light entering the eye?
TopicHuman Eye and Colourful World
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Q 1 / 33Next question →
Step-by-Step Solution
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Every step explained - no skipped algebra.
The iris is the colored part of the eye that adjusts the size of the pupil to control the amount of light entering the eye.
Final Answer: Option C - Iris