what is phototropism how does it occur in plant
Answers
Answered by
7
Phototropism is a tropic movement in plants which a plant shows in response to a light source. It is of two types positive phototropism (towards light) and negative tropism (away from light)
It occurs when the plant hormone auxin moves towards the shady part of the stem away from the part which gets light causing more growth in the direction of light.
It occurs when the plant hormone auxin moves towards the shady part of the stem away from the part which gets light causing more growth in the direction of light.
Answered by
0
The orientation of a plant or other organism, in responce to light, either towards the source of light or away from it, is called photo tropism.
Plant response towards the light so it performs positive photo tropism.
Photo tropism is necessary for plants to get maximum amount of sunlight to prepare food from the process of photosynthesis.
Photo tropism in plant occur due to a hormon called auxin. Auxins are found in the tip of plant. They promote the growth of the plant towards light.
Auxin are sensitive to light. Therefore, when one oart of the plant gets exposed to light, the auxin present there move to other part of the plant. As we know auxin promote growth of the plant. Therefore, the part which is away from light, i.s. where the auxin are present grows while the part which is facing the sunlight does not grow, because there are no auxin present there. Due to the difference in the growth of the same part of the plant, the plant gets bend towards the light.
This is called positive photo tropism.
Plant response towards the light so it performs positive photo tropism.
Photo tropism is necessary for plants to get maximum amount of sunlight to prepare food from the process of photosynthesis.
Photo tropism in plant occur due to a hormon called auxin. Auxins are found in the tip of plant. They promote the growth of the plant towards light.
Auxin are sensitive to light. Therefore, when one oart of the plant gets exposed to light, the auxin present there move to other part of the plant. As we know auxin promote growth of the plant. Therefore, the part which is away from light, i.s. where the auxin are present grows while the part which is facing the sunlight does not grow, because there are no auxin present there. Due to the difference in the growth of the same part of the plant, the plant gets bend towards the light.
This is called positive photo tropism.
suryatapa:
Pls make me brainlist
Similar questions