The correct options are
A Cellulose is a colourless crystalline solid
B It is mainly branched chain polysaccharideonly II
D It is rigid and acts as cell wall material
Cellulose is a colourless crystalline solid, having branched chain polysaccharide.
(C) Its individual strands align with each other through number of glycosidic bonds.
(D) It is rigid, and is the main component of cell wall in plants, providing it with rigidity, strength and protection.