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Why plant bend towards the sunlighy

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Why plant bend towards the sunlighy

Posted by Anshum Dhiman 5 years, 11 months ago

CBSE > Class 10 > Science

3 answers

Ishware Kumari Singh 5 years, 11 months ago

Due to presence of growth hormone auxin

0Thank You

Yogita Ingle 5 years, 11 months ago

The bending of plant towards light is known as phototropism. It is due to plant hormone auxins. When the growing parts of a phototropic plant detect sunlight, auxins (synthesized at the shoot tips) help the cells grow longer. When light falls on one side of the plant, the auxins generally diffuse towards the shaded side of the shoot. This stimulates the cells in the shaded area to grow longer than the corresponding cells of the illuminated region. This results in the curvature of the plant stem tip towards the light.

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Aadya Singh ? 5 years, 11 months ago

Due to auxin hormone...

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CBSE > Class 10 > Science