Q. Closure of lid of picher, in pitcher plant, is
A) Tropic movement
B) Paratonic movement
C) Turgor movement
D) Autonomous movement
Explanation
Paratonic movements are produced in response to some external stimulus. These are said to be positive if directed towards the stimulus and negative if away from the stimulus. In pitcher plant, stimulus is provided by the insect.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.