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Biomolecules question

2002 · Q39
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Biomolecules question

2002 · Q39

NEETBiologyBiomoleculesMCQ+4 / −1
Which of the following is a reducing sugar?
  1. A
    Galactose
  2. B
    Gluconic acid
  3. C
    β\betaβ-methyl galactoside
  4. D
    Sucrose
View written solutionFree

Correct answer: A

All those sugars which have free aldehyde or ketone group are called reducing sugars. These are able to reduce cupric ions (Cu+2) into cuprous ions (Cu+). Sucrose, starch are non-reducing sugars.

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