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Question

What facilitates the movement of water from soil to roots of plants?


A

Water pressure.

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B

Presence of root hairs.

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C

Ion concentration gradient.

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D

All of the above

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Solution

The correct option is C

Ion concentration gradient.


In soil, roots actively take up ions which create a difference between ion concentration in roots and soil. To eliminate this difference, water from soil moves into the root.


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