Phototropic curvature is the result of uneven | vedclass

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(D) Phototropism is the growth of a plant part in response to a light stimulus.According to the $Cholodny-Went$ theory, when a plant shoot is exposed

Vedclass · Accepted Answer

Auxins

Vedclass · Answer

(D) Phototropism is the growth of a plant part in response to a light stimulus.According to the $Cholodny-Went$ theory, when a plant shoot is exposed to unilateral light, $Auxins$ (specifically $Indole-3-acetic$ $	ext{ } acid$ or $IAA$) migrate to the shaded side of the stem.This higher concentration of $Auxins$ on the shaded side stimulates greater cell elongation compared to the illuminated side.As a result, the stem bends towards the light source, a phenomenon known as phototropic curvature.

Phototropic curvature is the result of uneven distribution of

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