Question

Q.39.A chemical substance called ________ is present in the walls of cork that makes them impervious to gases and water.
Suberin
Chitin
Cellulose
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Answer 1

Answer:

suberin

A mature cork cell is non-living and has cell walls that are composed of a waxy substance that is highly impermeable to gases and water called suberin.

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Answer 2

Answer:

Suberin is the chemical present in cell wall of cork that makes it impervious to gases and water.

Explanation:

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