Question

Which of the following carbohydrate is an example of an oligosaccharide?

• A. Glucose
• B. Lactose
• C. Fructose
• D. Galactose

Answer 1

The correct option is B

Lactose

The correct option is B.

The explanation for the correct option:

1. Oligosaccharides are those carbohydrates that have simple sugar residues between 3 and 10.
2. In other words, they are saccharides polymers that have a small number of monosaccharides.
3. Lactose is an oligosaccharide as it gives 2-10 monosaccharides on hydrolysis.

The explanation for the incorrect options:

Option A

Glucose is a monosaccharide.

Option B

Fructose is a monosaccharide.

Option D

Galactose is a monosaccharide.

Final answer: Lactose is an example of oligosaccharides.