Question

Define the following terms:

(a) Phototropism

Answer 1

Phototropism

1. Phototropism is defined as the movement of plants in response to light.
2. Phototropism is positive when the movement is towards the light. For example, the bending of plant shoots towards the source of light.
3. Phototropism is negative when the movement is away from the light. For example, movement or growth of roots away from the light and deeper into the soil.