$\alpha - D - (+)$ glucose and $\beta - D - (+)$ glucose are

The specific rotations of $\alpha-$ and $\beta-$ glucose are different. When either is dissolved in water,their rotation changes until a constant value is reached. This phenomenon is called ......

Identify the incorrect statement from the following:

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:

The structures of cyclic $D$-glucoside are given. Determine the moles of $HIO_4$ consumed by $X$ and $Y$ respectively.

Treatment of $D$-glucose with aqueous $NaOH$ results in a mixture of monosaccharides,which are