Question

What is the roll of epidermis in plant?

Answer 1

Epidermis is the plant tissue, which forms the outermost layer and covers the whole plant body.

Following are the structural features of epidermis:

• They form the outermost covering of all plant structures.
• They are mostly a single layer of cells (but can be multi layered also).
• Intercellular space is absent.
• They are flat cells with thick outer side walls and thin inner walls.

Following are the functions of epidermis:

The main function of epidermis is protection. A waxy, water-resistant layer is present on the upper parts of plants.

This layer prevents

• loss of water from leaves and stems
• mechanical injury
• infection from parasites