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Explain two tropic movements with suitable examples. |
Answer» 1. Phototropism: Response of plant to light cite example is called phototropism. Ex: sunflower 2. Geotropism: Response of a plant to gravitational force Ex: root growth of plant 3. Hydrotropism: Response of root to water availability in the soil. Ex : Plants which are growing very close to rocks and walls. 4. Thigmotropism: Response to make contact or touch is called Thigmotropism. 5. Chemotropism: Response to chemical is called chemotropism (Stigma secretes sugary substances) |
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