GENERAL KNOWLEDGE

GK

BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The cells of cork are dead and have a chemical in their walls that makes them impervious to gases and water. The chemical is
A
Lignin
B
Suberin
C
Cutin
D
Wax
Explanation: 

Detailed explanation-1: -These contain a chemical in their walls called suberin which makes them impervious to gases and water.

Detailed explanation-2: -Cell wall in cork is impervious to water and gases due to the presence of suberin. Suberin is a waterproof waxy material found in higher plants. Suberin is the main constituent of corks.

Detailed explanation-3: -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.

Detailed explanation-4: -Final answer: Cells of cork contain a chemical called suberin.

There is 1 question to complete.