Question

Name the chemical substances that makes the cork cells impervious to gases in water

Answer 1

The cork cell become impervious to water, gases and nutrients due to deposition of:- 1.Lignin 2.Suberin 3.Pectin 4.Oxalic acid. explain also... The thin walls of those cells are saturated with a fatty waxy substance, called suberin, which makes cork almost impervious to water and air.

hope it helps

Answer 2

lignin, suberin, pectin and  oxalic acid