How is the movement of leaves of the sensitive plant different from the movement of a shoot towards light?
Answer
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MOVEMENT OF LEAVES OF SENSITIVE PLANTS |
MOVEMENT OF SHOOT TOWARDS LIGHT |
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1. It is a movement that is not related to growth |
1. It is a movement that is dependent on growth |
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2. It involves change in water concentration that results in swelling and shrinking of leaves |
2. It involves the movement of auxins to the shady side of the plant resulting in elongation and growth of plants towards the sun |
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3. It is called thigmotropism |
3. It is called phototropism |
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4. Example: Touch-Me-Not leaves drooping on touching |
4. Example: Sunflower grows towards sunlight |
