Question

The minimum number of Carbon atoms that should be present in a monosaccharide is :

• A. 2
• B. 3
• C. 4
• D. 5

Answer 1

The correct option is B

3

Explanation for correct answer:

Option (B)

• The carbohydrates which cannot be further hydrolyzed into smaller, simpler units are called monosaccharides
• The monosaccharide which contains aldehyde is known as aldose and those which contain a ketone group are known as a ketose.
• A monosaccharide contains a skeleton, of carbon atoms. The minimum number of carbon atoms is three and it can go up to seven.
• Examples of monosaccharides are examples of Glucose (polyhydroxy aldehyde), Fructose(polyhydroxy ketone).
• Hence option (B) is correct.