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Question 31: Why is the folding up of the leaves of a sensitive plant on touching with a finger not a tropism ? Lakhmir Singh Biology Class 10 |
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Answer» Tropism is a growth movement.but when we TOUCH the leaves of sensitive plant it start folding because of the WATER PRESENT on the leaves start going from there.in this process there is no change in the growth of the plant so it isn't tropism. |
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