Q. Opening of flower is an example of
A) Spontaneous movement
B) Hyponastic movement
C) Epinastic movement
D) Cleistogamous movement
Explanation
The movement which occurs due to difference in the rate of growth on two opposite sides of a plant organ is called nastic movement. When movement occurs due to faster growth of the upper surface of organ as compare to lower it is called epinasty, e.g., opening of flower.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.