Question

What is the role of epidermis in plants?

Answer 1

it helps in gaseous exchange ,protects aganist water loss secretes metabolic compounds and absorb water and minerals in roots

Answer 2

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The outermost layer of the cell is the $\bold{epidermis}$.

♧ Epidermis is formed of single continuous layered cells.

♧ It covers ,without any intercellular space, all the parts of the plant.

♧ Small pores are called stomata and are present on the leaves which helps in the exchange of gases and water.

♧ The epidermal cells on the aerial parts of the plant secrete a waxy, water - resistant layer on their outer surface.

♧ It checks the loss of water, mechanical injury and invasion by parasitic fungi.

♧ In desert plants, the epidermis has a thick waxy coating of cutin, to check the water loss.

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