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

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