Question

what are topic movement? Name the type of tropic movement observed in plants?​

Answer 1

Answer:

Phototropism: Plants grow towards or away from the light, the types of tropic movement in plants in the response to light is called phototropism. Gravitropism: It is a type of tropism where plants show some growth in response to gravity.

Answer 2

Answer:

The bending or movement of a part of plant in response to the external stimulus is called tropism or tropical movement. It is of following types.

(a) Phototropism – It is response to light. It may be towards light (positive) or away from the light (negative).

(b) Geotropism – It is response to gravity – It may be towards stimulus (positive) and away from the stimulus (negative)

(c) Chemotropism - Response to chemicals. It may be positive or negative.

(d) Hydrotropism – Response to water. It may be positive or negative.