MCQ
An example of a disaccharide is:
- AGlucose
- BRibose
- CCellulose
- ✓Lactose
✓
Answer
Correct option: D.
Lactose
Lactose is made of $1$ unit of glucose and $1$ unit of galactose. So, it is a disaccharide.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following are addition polymers?
$a.$ Nylon.
$b.$ Melamine formaldehyde resin.
$c.$ Orlon.
$d.$ Polystyrene.
→$a.$ Nylon.
$b.$ Melamine formaldehyde resin.
$c.$ Orlon.
$d.$ Polystyrene.
For the electrochemical cell, $M|{M^ + }||{X^ - }|X,$ ${E^o}({M^ + }/M)$ $= 0.44\, V$ and ${E^o}(X/{X^ - })$ $= 0.33\,V$. From this data one can deduce that
→Given below are two statements :
→Statement $I$ : The higher oxidation states are more stable down the group among transition elements unlike p-block elements.
Statement $II$ : Copper can not liberate hydrogen from weak acids.
In the light of the above statements, choose the correct answer from the options given below :
The difference in the oxidation state of $Xe$ between the oxidised product of $Xe$ formed on complete hydrolysis of $XeF _4$ and $XeF _4$ is
→If $250\, cm ^{3}$ of an aqueous solution containing $0.73\, g$ of a protein $A$ is isotonic with one litre of another aqueous solution containing $1.65\, g$ of a protein $B ,$ at $298\, K ,$ the ratio of the molecular mases of $A$ and $B$ is..........$\times 10^{-2}$ (to the nearest integer).
→Transitional elements exhibit variable valencies because they release electrons from the following orbits:
The heat of physisorption lie in the range of:
The noble gas which has abnormal behaviour in its liquid state is $.......$
→The instantaneous rate of disappearance of $MnO_4^-$ ion in the following reaction is $4.56 \times 10^{-3}\, Ms^{-1}$
→$2MnO_4^ - + 10{I^ - } + 16{H^ + } \to 2M{n^{2 + }} + 5{I_2} + 8{H_2}O$
The rate of appearance $I_2$ is......$\times {10^{ - 2}}\,M{s^{ - 1}}$
Product $(A)$ is
→