The correct option is (D):
Explanation of the correct option:
- The cellulose acts as the polysaccharide residue which is present in the cell wall of plant cells.
- Starch acts as the polysaccharide that is responsible for storage of glucose in the plant cells.
- Both the polysaccharides are made up of glucose monomers.
Explanation of the incorrect option:
Option (C):
- Rubber is a natural component that is produced from the plant.
- It is a polymer made from the isoprene subunits.
Final Answer: Glucose is a monomer of starch and cellulose.