The function of iris in the eyes of frog is to

Question

The function of iris in the eyes of frog is to (A) move the nictitating membrane (B) alter the size of the pupil (C) move the lens forward and backward (D) refraction of light rays

Tardigrade Admin · Accepted Answer

In frogs pupil can be reduced or increased by circular and radial muscles of iris, which acts like a diaphragm.

Q. The function of iris in the eyes of frog is to

move the nictitating membrane

alter the size of the pupil

move the lens forward and backward

refraction of light rays

In frogs pupil can be reduced or increased by circular and radial muscles of iris, which acts like a diaphragm.