Explain /Define About Epidermis In Plant According To Class 9th
Plz Answer It Guys​

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⇝ Epidermis :

Protective tissues includes epidermis & cork. Epidermis is basically a simple permanent tissue, protective in function. It forms one-cell-thick covering over all the parts of plant.

⇝ Characteristics of Epidermis : Epidermis is formed of living cells, arranged in a single layer.In aerial parts, epidermis is covered with a waterproof and noncellular waxy covering called cuticle.Cells form a continuous layer, but in leaves epidermis has small openings called stomata.Each stoma is guarded by a pair of bean-shaped guard cells which govern opening & closing of stomatal aperture.⇝ Functions of Epidermis :Epidermis protects the underlying tissues from mechanical injury, chemicals & infection.Cuticle of epidermis protects against water loss & desiccation. It checks the rate of transpiration & evaporation and prevents wilting.Stomata in the epidermis of leaves help in gaseous exchange during respiration & photosynthesis.

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