Question

which hormone is responsible for the phototropism​

Answer 1

Answer:

auxins

Explanation:

The primary function of thr auxin hormones is to elongate plant cells in the stem

hope it help u

Answer 2

Auxin

Explanation:

• Phototropism is controlled by hormone called auxin , tropisms can be the reaction to various conditions such as light, gravity and water.
• Phototropism can be seen by growth curvature, which is developed by growth of plants towards light , it is mediated by auxin in plant.
• Bending of plant occurs  towards the  light , the part on the darker side elongates as compared to the light exposed part .
• It occurs due to increase in auxin concentration  on the darker side.