Which monosaccharide is the monomer that forms glycogen and starch

A monosaccharide found in the blood is the monomer that forms glycogen and starch is Glucose.

Glucose is a six-carbon molecule (classed as a hexose) sugar with having formula C6H12O6, where 5 hydroxyl groups are arranged in a way along with 6 carbon molecules back. It is the most abundant monosaccharide (a subcategory of carbohydrates). Glucose is mainly synthesized by plants and most algae during the photosynthesis process from water and carbon dioxide, using energy comes from sunlight.