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Write down the significance of epidermal …

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Write down the significance of epidermal layer in plant roots , stem , leaves.
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Gurjeet Singh 6 years, 8 months ago

Epidermal layer is the outermost continuous layer of cells without intercellular spaces. Its main function is protection against water loss. Epidermal layer of the leaves consists of small pores called stomata which help in the exchange of gases with the atmosphere. In some plants like desert plants, epidermal cells secrete a waxy, water-resistant layer of cutin on the outer surface of the plants which reduces loss of water. It also aids against mechanical injury and invasion by parasitic fungi. Function of the epidermal cells of the roots is water absorption from the soil.

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