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प्रश्न
How do auxins promote the growth of a tendril around a support?
संक्षेप में उत्तर
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उत्तर
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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