Question

Why is epidermis present as a thick waxy coating of cutin in desert plants

Answer 1

Answer:

To prevent loss of water by the process of transpiration by stomata in the leaves.

Explanation:

Answer 2

Answer:

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, epidermis has a thick waxy coating of cutin, to check water loss.