The 'epimerisation' involves

The correct statement$(s)$ about the following sugars $X$ and $Y$ is(are):
$(A)$ $X$ is a reducing sugar and $Y$ is a non-reducing sugar
$(B)$ $X$ is a non-reducing sugar and $Y$ is a reducing sugar
$(C)$ The glycosidic linkages in $X$ and $Y$ are $\alpha$ and $\beta$,respectively
$(D)$ The glycosidic linkages in $X$ and $Y$ are $\beta$ and $\alpha$,respectively

Cellulose is a polymer of

Glucose on prolonged heating with $HI$ gives:

Match List-$I$ with List-$II$.

List-$I$ (Biopolymer)	List-$II$ (Monomer)
$A$. Starch	$I$. nucleotide
$B$. Cellulose	$II$. $\alpha$-glucose
$C$. Nucleic acid	$III$. $\beta$-glucose
$D$. Protein	$IV$. $\alpha$-amino acid

Choose the correct answer from the options given below:

Identify the hydrolysis product of starch.