Explain the cause of shoots of the plant...

Explain the cause of shoots of the plants bending towards light.

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Stems are positively phototropic and bend towards the direction of light the movemene is due to occurrence of more auxin on the darken side and lesser auxin on the illuminated side as a result there in more growth on the darker side which causes the stem to bend towards light.

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Explain the cause of shoots of the plants bending towards light.

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