![The dark muscular diaphragm which controls the size of pupil is known as](https://www.gkseries.com/blog/wp-content/uploads/2022/02/The-dark-muscular-diaphragm-which-controls-the-size-of-pupil-is-known-as.png)
Q. The dark muscular diaphragm which controls the size of pupil is known as
A. retina
B. choroid
C. iris
D. pupil
Answer: iris
A. retina
B. choroid
C. iris
D. pupil
Answer: iris
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