Question:

Sucrose is a non-reducing sugar due to which of the following reason?

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For a sugar to be reducing, it must have a free anomeric carbon capable of mutarotation.

Updated On: Sep 17, 2025

It contains a free anomeric carbon and therefore cannot mutarotate
It has a beta(-6) glycosidic linkage
It gives rise to fructose and glucose upon hydrolysis
It does not contain a free anomeric carbon atom

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The Correct Option is D

Solution and Explanation

Sucrose is a non-reducing sugar because it does not have a free anomeric carbon. The glycosidic bond between glucose and fructose involves the anomeric carbon of both sugars, making them unavailable for oxidation.

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Questions Asked in CUET PG exam

Match the LIST-I with LIST-II

List-I (Statistical Concept)	List-II (Description)
A. Bias	I. Prejudice in a general or specific sense, usually in the sense for having a preference to one particular sample, perspective, external influence etc.
B. Prevalence	II. Number of cases of a disease that are present in a particular population at a given time
C. Placebo	III. A measure of the distance in standard deviations of a sample from the mean
D. Z-Score	IV. An inactive substance or preparation used as a control in an experiment or test to determine the effectiveness of a medicinal drug/supplement etc.

CUET (PG) - 2025
Communication and Extension

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