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Question

Root hair helps in better absorption of air and water as:

A
It increases the surface area for absorption.
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B
It helps in growth and developement.
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C
It increases the rate of flowering in plants.
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D
All of the above.
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Solution

The correct option is D It increases the surface area for absorption.

Roots have hairlike projections called root hairs protruding from their surface. These root hairs help the plant absorb more air, nutrients and water because they increase the available surface area.

So, the correct option is A.


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