Biomolecules Question 102

Question: Which of the following is a reducing sugar?

Options:

A) Sucrose

B) Galactose

C) Gluconic acid

D) p-methyl galactoside

Show Answer

Answer:

Correct Answer: B

Solution:

[b] Glucose, fructose, mannose and galactose are hexose monosaccharides.

The monosaccharides have free aldehyde or ketone group which can reduce $ {C^{++}} $ to Cu.

Therefore these are called reducing sugars.



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