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What is Meant by Positive Phototropism and Negative Phototropism? Give One Example of Each Type. - CBSE Class 10 - Science

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Question

What is meant by positive phototropism and negative phototropism? Give one example of each type.

Solution

The movement of plant parts towards the light source is known as positive phototropism, whereas the movement of plant parts away from light is known as negative phototropism. The stems of plants show positive phototropism as they grow upwards. The roots of plants show negative phototropism as they grow downwards into the soil.

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APPEARS IN

 Lakhmir Singh Solution for Biology for Class 10 (2018 to Current)
Chapter 2: Control and Coordination
Q: 34.3 | Page no. 94
Solution What is Meant by Positive Phototropism and Negative Phototropism? Give One Example of Each Type. Concept: Tropic Movements in Plants.
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