Correct Answer: D
Explanation:
(d) Polysaccharides are complex long chain carbohydrates which are formed by dehydrate synthesis or polymerisation of more than 10 but generally very large number of units called monosacccharides. Starch, glycogen and cellulose are all polysaccharides.
Starch is a glucosanhomopolysaccharide which is the main reserve food of plants. Glycogen is also a glucosanhomopolysaccharidt which is the major reserve food of fungi, animals and son-e bacteria. It is also called animal starch. Cellulose is the sructural polysaccharide of plant cell walls, some fungi, protists. It is a fibrous glucosanhomopolysaccharide of high tensile strength