Question

Why are some desert plants have waxy coating on epidermis ?

Answer 1

Explanation:

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.

Answer 2

Explanation:

This prevents the loss of water i.e transpiration. In desert there is scarcity of water but pants need water for the survival so they save water as the coating is water resistant.

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