Q
Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the__________________?
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A
A. Osmotic pressure of the soil water becomes less than that of the plant sap
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B
B. Soil becomes too alkaline
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C
C. Osmotic pressure of the soil water becomes higher than that of the plant sap
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D
D. Soil becomes too acidic
Correct Answer:
C. C. Osmotic pressure of the soil water becomes higher than that of the plant sap