Question

define gravitropic movement and chemotropic movement​

Answer 1

Answer:

Tropic movement is the movement of the plant in response to the stimulus present in the environment, this movement is in response to root and shoot growth. ... Chemotropism - In seed plants, the movement of pollen grains to the female gamete is due to the secretion of chemicals. This shows positive chemotropism.

Explanation: Phototropism:It is the directional movement of plant part in response to light stimulus. If plant part move towards light it is called as positive phototropism. For Ex:Stem or shoot.

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