Question

Root hair are extension of

• A. Outer epidermal cells of root
• B. Inner epidermal cells of root
• C. Vacuoles of root
• D. All of the above

Answer 1

The correct option is A Outer epidermal cells of root

Root hairs are the extension of outer epidermal cells of the root. They contain large vacuoles having cell sap. The cell sap has a greater concentration of salts as compared to the surrounding subsoil water. Because of this property, water is drawn inside the root hair by a process of osmosis.