Question

Give some examples of chemotropism as well as thigmotropism (other than the example of pollen grains and touch me not plant). If there exists any negative thigmotropism, then give the examples of that also.

Answer 1

Thigmotropism is the movement of plant parts due to touch.
Example: Growth of tendrils of a plant around hard substances

Answer 2

Thigmotropism is the movement of plant parts due to touch.
Example: Growth of tendrils of a plant around hard substances