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During absorption of water by roots, the water potential of cell sap is lower than that of:
Question

During absorption of water by roots, the water potential of cell sap is lower than that of:

A.

Pure water and soil solution

B.

Pure water, but higher than that of soil solution

C.

Soil solution, but higher than that of pure water

D.

Neither pure water nor soil solution

Correct option is A


For water absorption, the cell sap must have lower water potential than both pure water and soil solution, facilitating osmosis.

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