False!
Starch is a polysaccharide. Monosaccharide is the basic unit of carbohydrates and it is a simple sugar. Polysaccharide is composed of a large number of monosaccharide units bound by glycosidic bonds.
Starch consists of a large number of units of glucose, a monosaccharide, units bound by glycosidic bonds. This suggests that starch must be a polysaccharide.