How Does Phototropism Occur?

The process of phototropism is the growth of an entity in response to a light stimulus. ... Tips of leaves and stems contain auxin, causing them to positively grow towards the light. In this phenomena, the plant grows towards the sunlight hence the plant body grows in this process.

How does phototropism occur in Class 10?

Phototropism is directional movement in which the stem grows towards light stimulus and roots grow away from light. Hence, it is a positive phototrophic movement. Explanation : When sunlight/light falls from one direction on the shoot, the growth hormone auxin diffuses towards the shady side of the shoot.

How does phototropism occur in a plant stem or shoot?

Phototropism in a plant stem or shoot – The bending of a plant stem towards light represents the phototropism process. ... Due to presence of more auxin, the shady side of the stem or shoot grows longer in comparison to the side of stem which is facing direct sunlight hence, makes the stem bend towards light.