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Question

Root cap plays no role in the absorption of water in a plant, because

A
Its cells are loosely arranged.
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B
It has no root hairs.
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C
It has no connection with xylem tissue.
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D
Its cells are dead.
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Solution

The correct option is B It has no root hairs.
Root hairs are unicellular extensions of root epidermis or epiblema. They increase the surface area for absorption and are involved with absorption of water. Root cap typically lacks root hairs and hence not involved in absorption process.

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