Biology

The correct answer is A.glucose.

Starch is a polysaccharide composed of glucose monomers. It is made up of long chains of glucose molecules linked together by glycosidic bonds. Starch serves as an energy storage molecule in plants.

Here's a brief explanation of the other options:

B.Sucrose is a disaccharide made up of one molecule of glucose and one molecule of fructose, not a monomer that makes up starch.