In desert plants, the epidermis has a thick waterproof coating of____________

Cutin

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Suberin

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Elastin

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Chondrin

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Solution

The correct option is A Cutin
In deserts, water is scarce and saving water is essential for plant growing in such conditions.
In many of the desert plants like Yucca, creosote, cactus, etc, the epidermis has a thick waxy coating of cutin which acts as a waterproof covering.
This restricts the loss of water by transpiration.

Therefore, the correct answer is option A.

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