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Question 24
In desert plants, rate of water loss gets reduced due to the presence of


(a) cuticle
(b) stomata
(c) lignin
(d) suberin


Solution

(a) cuticle

In desert plants, the epidermis has a thick waxy coating of cutin ( a chemical substance with waterproof quality) on its outer surface helps them to reduce the rate of water loss.The cuticles of plants function as permeability barriers for water and water-soluble materials. The cuticle prevents plant surfaces from becoming wet and helps to prevent plants from drying out.


Biology
NCERT Exemplar
Standard IX

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