Question

Absorption of water is associated with:

  • A Root apex

  • B Root hairs

  • C Bark of roots

  • D All of these

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Answer

Let's understand the role of different parts of a plant's root system:

  • Root hairs: This is the primary site for water and mineral absorption. Root hairs are unicellular structures that extend from the root and are mainly responsible for absorbing essential nutrients and water from the soil.

  • Root apex: Also known as the root tip, the root apex is primarily involved in growth through its meristematic activity. It is not directly involved in water absorption.

  • Bark of roots: This part of the root primarily provides protection and is not specialized for the absorption of water.

Given these roles, root hairs (Option B) are correctly associated with the absorption of water in plants. Hence, the correct answer to the question is:

B Root hairs


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