JEE Main 2020ChemistryBiomoleculesMediumMCQ

JEE Main 2020Biomolecules Question with Solution

JEE Main 2020 (06 Sep Shift 2)

Question

Which one of the following statement is not true?

Choose an option

Show full solutionCorrect option: A
Correct answer
ALactose contains α-glycosidic linkage between C1 of galactose and C4 of glucose

Step-by-step explanation

The linkage is between C-1 of Galactose and C-4 of Glucose

Lactose (Milk sugar) H3Oβ-galactose + β-glucose

C12H22O11

it is hydrolysed by dilute acids or by the enzyme lactase, to an equimolecular mixture of D+-glucose and D+-galactose. Lactose is a reducing sugar.

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About this question

This is a previous-year question from JEE Main 2020, covering the Biomolecules chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.