Question

An example of a disaccharide made up of two units of the same monosaccharide is:

• A. Sucrose
• B. Maltose
• C. None of these
• D. Lactose

Answer 1

The correct option is B Maltose

Sucrose, a disaccharide, is a sugar composed of glucose and fructose subunits. Maltose, a disaccharide, consists of two molecules of glucose connected via an $\alpha$-linkage. Lactose is a disaccharide sugar synthesised from galactose and glucose subunits. Option B is correct.