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Question

___ present in the walls of cork cells makes them impervious to gases and water.

A
Lignin
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B
Pectin
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C
Suberin
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D
Cuticle
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Solution

The correct option is C Suberin
Suberin is a impermeable waxy substance present in the cell walls of corky tissues. The cork cells are compactly arranged without any intercellular spaces and the chemical called suberin in the cell walls of cork cells makes them impervious to gases and water.

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