Q. Dilatation of pupil takes place by

A) Sympathetic nervous system
B) Parasympathetic nervous system
C) Central nervous system
D) Both (a) and (b)
Explanation

Sympathetic nervous system dilates the pupils, therefore, permitting more light to enter into the eyes. Sympathetic nervous system includes a chain of sympathetic ganglia.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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