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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

Differentiate between tropic and nastic movements - Science

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Question

Differentiate between tropic and nastic movements

Distinguish Between

Solution

Sr. No. Trophic Movements Nastic Movements
1. Unidirectional response to the stimulus Non-directional response to the stimulus
2. Growth dependent movements Growth independent movements
3. More or less permanent and irreversible Temporary and reversible
4. Found in all plants Found only in a few specialized plants
5. Slow action Immediate action
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Nastic Movements
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Chapter 19: Plant Physiology - Exercise [Page 231]

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Samacheer Kalvi Science [English] Class 9 TN Board
Chapter 19 Plant Physiology
Exercise | Q VII. 1. | Page 231
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