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Question

Assertion :Root hairs are present on whole root
surface Reason: Root hairs absorb water.

A
If both the assertion and the reason are true and the reason is a correct explanation of the assertion
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B
If both the assertion and reason are true but the reason is not a correct explanation of the assertion
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C
If the assertion is true but the reason is false
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D
If both the assertion and reason are false
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Solution

The correct option is A If both the assertion and the reason are true and the reason is a correct explanation of the assertion
Root hair zone is 1-6 cm in length. The root hairs increase the exposed surface of the root for absorption of water and minerals.

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