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Question

An example of a diaccharide made up of two units of the same monosaccharides is

A
Sucrose
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B
Maltose
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C
Lactose
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D
None of these
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Solution

The correct option is B Maltose
Hydrolysis of sucrose gives equimolar mixture of glucose and fructose.

Hydrolysis of maltose gives two monomers of glucose.
C12H22O11Hydrolysis−−−−−C6H12O6 + C6H12O6 Maltose αDGlucose αDGlucose

Lactose produces glucose and galactose on hydrolysis.

Hence, (b) is correct.

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