7
Question
Water enters into the root hair from the soil in its normal condition because the osmotic pressure of the soil solution
Water enters into the root hair from the soil in its normal condition because the osmotic pressure of the soil solution
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Solution
The correct option is A Remains lesser than that of root hair sap
Plants obtain water and minerals from soil solution. The soil solution is a dilute solution of minerals. Because minerals i.e., solutes are present in low concentration in soil solution, the osmotic pressure of soil solution is low. Thus, it is hypotonic as compared to the solution in cell sap. The cell sap is a concentrated solution as compared to soil solution. Hence, plant roots are able to absorb water easily from soil.
Plants obtain water and minerals from soil solution. The soil solution is a dilute solution of minerals. Because minerals i.e., solutes are present in low concentration in soil solution, the osmotic pressure of soil solution is low. Thus, it is hypotonic as compared to the solution in cell sap. The cell sap is a concentrated solution as compared to soil solution. Hence, plant roots are able to absorb water easily from soil.
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