Q. Opening and closing of flowers represent a kind of

A) Nastic movement
B) Tropic movement
C) Mutation
D) Autonomic movement
Explanation

Opening and closing of flowers is a case of photonasty. Flowers of certain plants open in light and close down in dark.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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