Cellulose is a polysaccharide. It is formed by the linkage of beta 1,4 linkage of the glucose unit. It is an important component of the cell wall of the plant. It is used for the production of paper. It does not have free aldehyde group so they are non reducing sugar. It is a fibrous polysaccharide as it exists in form of long chain-like structure and is mainly found in plants and most abundant organic compound on earth.