Lactose on hydrolysis gives - Vidyadip

MCQ

Lactose on hydrolysis gives

A
Two glucose molecules
B
Two galactose molecules
C
A galactose molecule and a fructose molecule
✓
A galactose molecule and a glucose molecule

✓

Answer

Correct option: D.

A galactose molecule and a glucose molecule

d
Lactose is composed of $\beta$-D galactose and $\beta$-D glucose. Hence, on hydrolysis it gives $\beta$-D galactose and $\beta$ - $D$ glucose

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 10. Biomolecules→10. Biomolecules — all question types→Chemistry STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

The freezing point of a $4\%$ by weight aq. solution of $A$ is equal to the freezing point of $10\%$ by weight aq. solution of $B$. If the molecular weight of $A$ is $60$ then the molecular weight of $B$ is

What is $X$ and $Y$ in the given reactions ?

$2X_2 (g) + 2H_2O (l) \to 4H^+ (aq) + 4X^-(aq) + O_2 (g)$

$Y_2 (g) + H_2O (l) \to HY(aq) + HOY(aq)$

Which one of the following statements about lanthanides is false ?

Monochlorination of toluene in presence of sunlight followed by hydrolysis gives

Which of the following is the correct sequence of the noble gases in their group in the periodic table

Amine that can't be prepared by Gabriel phthalimide synthesis is:

Aldol condensation will not take place in

In the equation $4M + 8C{N^ - } + 2{H_2}O + {O_2} \to 4{[M{(CN)_2}]^ - } + 4O{H^ - }$ Identify the metal $M$

In the given chemical reaction, colors of the $\mathrm{Fe}^{2+}$ and $\mathrm{Fe}^{3+}$ ions, are respectively :

$5 \mathrm{Fe}^{2+}+\mathrm{MnO}_{4}^{-}+8 \mathrm{H}^{+} \rightarrow \mathrm{Mn}^{2+}+4 \mathrm{H}_{2} \mathrm{O}+5 \mathrm{Fe}^{3+}$

Assertion : Isobutanal does not give iodoform test.
Reason : It does not have $\alpha - $ hydrogen