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Question

The waxy substance associated with cell walls of cork cells is

A
Phospholipids
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B
Suberin
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C
Lignin
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D
Hemicellulose
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Solution

The correct option is B Suberin
Suberin is a waxy substance, similar to cutin, present in the thickened cell walls of many trees and shrubs, particularly in cork tissues. The outer cork cambium gradually lose their protoplast and become dead and their cell walls become suberized. The deposition of suberin (suberization) provides a water protective layer.
Thus, the correct answer is option B.

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