Question

Simple polyhydroxy ketone molecules containing 3-7 carbons is

• A. Disaccharide
• B. Monosaccharide
• C. Polysaccharide
• D. Dipeptide

Answer 1

The correct option is B Monosaccharide

Monosaccharides are the simplest carbohydrate which has 3-7 carbon atoms. It is the simplest form of carbohydrate which is composed of carbon, hydrogen, and oxygen. These are considered as the simplest form of sugar. It acts as an instant source of energy. The basic formula of the monosaccharide is C${}_n$H${}_{2n}$O${}_n$. It is known as polyhydroxyketone as because it has multiple hydroxyl group attached to it with ketone at the second carbon. Fructose is an example of polyhydroxy ketone.

So, the correct answer is option B.