The general formula $C_n(H_2O)_n$ belongs to which of the following biomolecules?

Match the following columns:

Column-$I$	Column-$II$
$P$. Starch $+ I_2$	$I$. Blue color
$Q$. Glycogen $+ I_2$	$II$. Red color
$R$. Cellulose $+ I_2$	$III$. No color

Which of the following undergoes hydrolysis to yield $Glucose$ and $Galactose$ as products?

Which of the following is not a carbohydrate?

Given below are two statements.
Statement $I$ - Lactose on hydrolysis converts into glucose and galactose.
Statement $II$ - Galactose also plays the same role as glucose in respiration.
In the light of the above statements,select the correct option given below:

$A$ - Cellulose is a heteropolymer.
$R$ - Cellulose is made up of only one type of amino acid.