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प्रश्न
Why is the structure of the root hair is quite suitable for absorbing water from the soil ?
उत्तर
The root hair are suitable for absorbing water from the soil in the following three ways:
- The root hairs present a large surface area. More the surface area, greater is absorption.
- The cell wall is of cellulose nature and forms permeable membrane and the plasma membrane around the vacuole forms the semi-permeable membrane.
- Root hairs have solution (cell sap) of a higher concentration than the surrounding soil water.
Fig. Unicellular root hairs through the soil particles
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