ICSE Class X Biology 2019 Solved Papers
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Give suitable biological reasons for the following statements :
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Question : 13
Total: 96
Root hairs become flaccid and droop when excess fertilizers are added to the moist soil around them.
Solution:
Excess fertilizers in soil makes the medium hypertonic due to which water from the root hair cell moves out by exosmosis and make the cells flaccid.
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