During germination, stem grows upward and root goes downward because .................

It depends upon light

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Of auxin

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It does not depend on light

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Of epinasty and hyponasty

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Solution

The correct option is B Of auxin
During the process of germination, shoot arises from plumule and grows negatively geotropic. This is because of the presence of auxin hormone which is present at the tips of the shoot of the plantlet. It ensures the rapid multiplication of meristematic tissues and growth of the shoot.

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