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Question

The cells of the roots contain cell sap at a .................. concentration than that of surrounding soil water.

A
Higher
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B
Lower
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C
Equal
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D
All of the following
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Solution

The correct option is A Higher
The cells of the roots contain cell sap (solution) at a higher concentration than that of surrounding soil water. As a result, the water is absorbed by the root hairs. This is because the water always travels from a region of high water potential to the region of lower water potential. Here, the soil possesses a higher water potential as compared to the root hair.

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