What is a tropic movement? Explain with an example.
Solution:
Tropic movement is the directional growth of the plant in response to the external stimulus present in the environment, this movement is in response to root and shoot growth. Movement can be either toward the stimulus or away from the stimulus. They are mainly of five types:
Phototropism,
Ex: Roots shows positive geotropic movement as they grow downwards the gravity whereas shoots show negative geotropic movement.