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प्रश्न
Differentiate between:
Positive and negative tropism
फरक स्पष्ट करा
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उत्तर
| Positive tropism | Negative tropism | ||
| 1. | The growth in direction of a stimulus. | 1. | The growth away from a stimulus. |
| 2. | The stems of plants shows positive phototropism. | 2. | The stem of plants shows negative gravitropism. |
| 3. | The root of plants show positive geotropism. | 3. | The root of plants shows negative phototropism. |
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