Question
Differentiate between tropic and nastic movements

Answer

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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