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Question
Differentiate between:
Thigmotropism and geotropism
Solution
| Thigmotropism | Geotropism | ||
| 1. | Directional growth movement of a plant part in response to the touch of an object. | 1. | Directional growth movement of a plant part in response to gravity |
| 2. | Stimulus: Touch | 2. | Stimulus: Gravity |
| 3. | The tendrils show positive thigmotropism. | 3. | The roots of the plant show positive geotropism. |
| 4. | The roots of the plant do not show Thigmbtropism. | 4. | The stems show negative Geotropism. |
| 5. | Example: Coiling of tendrils around support. | 5. | Example: Growth of the roots of plants in a downward direction |
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