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How do the tendrils respond to the stimulus of touch of a support?

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Question

How do the tendrils respond to the stimulus of touch of a support?

Short Answer
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Solution

When a tendril makes contact with a support, auxins move to the side away from the support. This causes the outer side to grow faster and elongate rapidly, making the tendril coil tightly around the object.

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Chapter 7: Chemical Coordination in Plants - EXERCISE [Page 117]

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Lakhmir Singh Biology [English] Class 10 ICSE
Chapter 7 Chemical Coordination in Plants
EXERCISE | Q 7. 2. | Page 117
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