Subject :NSO Class : Class 9
Select the correct statement regarding cell wall of plant cells.
APrimary cell wall is chiefly composed of a soluble fibrous polysaccharide called suberin.
BSecondary cell wall is mainly composed of lignin and is deposited on the outer surface of primary wall.
CPits are present in primary walls whereas they are absent in secondary walls.
DThe primary cell walls of adjacent cells are cemented through middle lamella which is composed of calcium and magnesium pectate.
Ans 1: (Master Answer)
Class : Class 1
D