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What is Meant by Positive Tropism and Negative Tropism? Explain with Examples. - CBSE Class 10 - Science

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Question

What is meant by positive tropism and negative tropism? Explain with examples.

Solution

If the movement of the response is towards the stimulus, it is known as positive tropism; whereas if the movement of the response is in the direction opposite to the stimulus, it is is known as negative tropism.

The movement of roots towards the pull of gravity is an example of positive geotropism, whereas the movement of plant stem in the direction opposite to the pull of gravity is an example of negative geotropism.

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APPEARS IN

 Lakhmir Singh Solution for Biology for Class 10 (2018 to Current)
Chapter 2: Control and Coordination
Q: 37.1 | Page no. 94
Solution What is Meant by Positive Tropism and Negative Tropism? Explain with Examples. Concept: Tropic Movements in Plants.
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