Question

The tendril circle around a suppory and cling to it gibe reason

Answer 1

Answer:

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When the tendrils come in contact with any support,the part of tendril in contact with the object does not grow as rapidly as the part of the tendril away from the object. Auxin is released on the side which is not in contact with the support. Thus causes the tendril to circle around the object and thus cling to it.