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Distinguish Between Tropic Movements and Nastic Movements in Plants. Give Examples to Illustrate Your Answer. - Science

Distinguish between tropic movements and nastic movements in plants. Give examples to illustrate your answer.

 How do tropisms differ from nasties (or nastic movements)?

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Solution 1

Tropic movements Nastic movements
These are directional movements of plants in response to stimulus. These are non-directional movements of plants in response to stimulus.
Example: The upward growth of a plant stem in response to sunlight. Example: The folding up of leaves in response to touch.

 

Solution 2

Tropism Nasties
Tropisms are the directional movement of plant parts in response to an external stimulus. Nasties are the non-directional movements of plant parts in response to an external stimulus.

 

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APPEARS IN

Lakhmir Singh Class 10 Biology (Science)
Chapter 2 Control and Coordination
Q 26 | Page 93
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