Answer;
a. monosaccharide, disaccharide, polysaccharide
Explanation;
-Monosaccharide is the simplest form of sugar (glucose, fructose, gaalctose) and the simplest unit of carbohydrate. They are the building blocks of the other carbohydrates, disaccharides and polysaccharides.
-Disaccharide is made up of two simplest sugar forexample; maltose is made up of two glucose sugars. Other examples of disaccharides are sucrose and lactose.
-Polysaccharide is made up of a long chain of simple sugars.They include; cellulose and starch.