BIOMOLECULES AND ENZYMES

Detailed explanation-1: -The movement of the plant due to touch is called thigmotropic movement. Thigmotropism is a directional growth movement which occurs as a mechanosensory response to a touch stimulus.

Detailed explanation-2: -Thigmotropism. Thigmotropism is when plants grow in response to touch or contact with objects. For example, vines have small tendrils that curl around walls or trellises.

Detailed explanation-3: -Thigmotropism is plant growth response to touch. An example of this tropism is the curling of a vine tendril around objects that it touches.

Detailed explanation-4: -The correct option is D. Thigmotropism. The movement of a plant due to touch is called thigmotropic movement (Thigmotropism).

Detailed explanation-5: -An example of negative thigmotropism is the growth of roots underneath the soil. When an elongating root comes in contact with an object, e.g. rock, it grows away from the object. The drooping of leaflets of Mimosa pudicawhen touched is not considered thigmotropism but a nastic movement.