Single Answer MCQ
Q-00001926
How do ciliary muscles help in adjusting the focal length of the eye lens?
1
By changing the shape of the cornea
2
By changing the size of the pupil
3
By changing the curvature of the lens
4
By changing the position of the retina
Answer and Solution
Answer
C. By changing the curvature of the lens
Solution:
Ciliary muscles help in adjusting the focal length of the eye lens by changing its curvature. This change in curvature alters the refractive power of the lens, allowing it to focus on objects at different distances. Therefore, the correct answer is 'By changing the curvature of the lens'.
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