Question

The growth movement of plant parts which occurs due to touch stimulus is called ______.

विकल्प

• Heliotropism

• Chemotropism

• Hydrotropism

• Thigmotropism

Answer 1

The growth movement of plant parts which occurs due to touch stimulus is called thigmotropism.

Explanation:

Thigmotropism is the term used to describe the behaviour of plant elements that undergo growth movement in response to touch stimuli. For example, the the coiling of tendrils to their support.