Question

Which of the following is an example of thigmotropism?

Answer 1

Answer: vine twirling around a lamppost

Explanation:

Thigmotropism is a process by which a plant bends around an object in response to a touch stimulus. It helps in the growth and development of plants.

Usually, climbing plants have tendrils with which they use to climb or twirl around a stationary support. This action is also supported by hormones such as auxin, and is a growth process. Thus, vine twirling around a lamppost is an example of thigmotropism

Answer 2

Answer: vine twirling around a lamp post.

.

Explanation:

Thigmoyropism is a directional response of plant organ or organism by bending or turning in response to touch stimulus or physical contacts. This is caused by some exhibition of pattern of growth. Examples is climbing tendrils of plants. Thigmoyropism leads to plants growth and development.