Question

Mention the role of epidermis in the following :
a) In the aerial parts of the plant
b) In leaves
c) In roots

Answer 1

a) Epidermis forms a barrier between the internal tissues of the aerial parts of the plant and the external environment. Hence, serves as skin of the plant protecting the parts of the plant from the injuries.
b) In leaves, epidermis prevents the water loss and acts as a layer between outer and inner leaf.
c) In roots, epidermis plays a role of absorbing the water and other nutrients (minerals).