Question

What are nastic movements in plants?

Answer 1

Nastic movement:

Nastic movement refers to a type of plant that is independent of the direction of stimuli.

1. A plant’s movement is independent of the direction of the external stimuli.
2. Movement is non-directional and is neither away from nor towards a stimulus.
3. Nastic movements are faster in response (i.e., immediate).
4. Types of nastic movements include - Photonasty, Chemonasty, Thermonasty, Thigmonasty.
5. These are reversible types of movements that occur in specialized plants.