1.

Identify the correct set of monosaccharides present in sucrose (X), lactose (Y) and maltose (Z).

Answer»

GLUCOSE,fructosegalactose, glucose glucose,fructose
glucose,fructosegalactose, glucoseglucose,glucose
glucose,glucosegalactose, glucose glucose,fructose
galactose, glucoseglucose, fructoseglucose,fructose

Solution :(X) `to` SUCROSE on hydrolysis gives glucose and fructose i.e.
(Y) `to` LACTOSE on hydrolysis gives D- glucose and D- galactose I.e.,
Lactose `to` D-glucose+ D-galactose
(Z) `to` MALTOSE on hydrolysis gives 2 units of glucose i.e.,
Maltose `to` glucose+ glucose
THUS correct option is (b).


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