HORTICULTURE

Detailed explanation-1: -Thigmotropism is the directional growth movement of a plant in response to touch or contact stimuli. It is found in twining plants or tendrils which grow around a surface such as a wall, pot, or trellis. The word Thigmotropism is derived from “Thigmo” means “Touch or Contact” and “Tropism” which means “Directional”.

Detailed explanation-2: -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. Plants like this don’t usually have strong stems. So, thigmotropism helps them stay upright and keep growing.

Detailed explanation-3: -The correct option is D Thigmotropism. The movement of plant due to touch is known as a thigmotropic movement. Thigmotropism is a directional growth movement which occurs as a mechanosensory response to a touch stimulus. For example, once a shoot touches a suitable support, it grows towards the surface it is touching.