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प्रश्न
Differentiate between the Following:
Chemotropism and Thigmotropism
अंतर स्पष्ट करें
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उत्तर
| Sr. No. | Chemotropism | Thigmotropism |
|---|---|---|
| 1. | Chemotropism is the growth movement of a plant part in response to a chemical stimulus. | Thigmotropism is the growth movement of a plant part in response to touch or contact. |
| 2. | The stimulus is a chemical substance. | The stimulus is physical contact or touch. |
| 3. | Example: The growth of the pollen tube towards the ovule is an example of chemotropism. | Example: The tendrils of a climber coil around a support on touching it. |
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