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How Do Auxins Promote the Growth of a Tendril Around a Support? - Science

How do auxins promote the growth of a tendril around a support?

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Solution

When tendrils come in contact with any support, the part of the tendril in contact with the object does not grow as rapidly as the part of the tendril away from the object. This is caused by the action of auxin hormone. Less auxin occurs on the side of contact as compared to the free side as a result, auxin promotes growth on the free side and the tendrils coil around the support.

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APPEARS IN

NCERT Class 10 Science Textbook
Chapter 7 Control and Coordination
Q 4 | Page 122
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