Identify the molecule shown in the figure.

Select an appropriate chemical bond among ester bond,glycosidic bond,peptide bond and hydrogen bond and write against each of the following:
$(a)$ Polysaccharide
$(b)$ Protein
$(c)$ Fat
$(d)$ Water

Which of the following represents the zwitterionic form of an amino acid?

Match the following columns:

Column-$I$	Column-$II$
$P$. Gluconeogenesis	$I$. Conversion of glucose to glycogen
$Q$. Glycogenesis	$II$. Conversion of glycogen to glucose
$R$. Glycogenolysis	$III$. Formation of glucose from non-carbohydrate sources

Match the items in Column-$I$ with Column-$II$ and select the correct option.

Column-$I$	Column-$II$
$(A)$ Aspartic acid	$(i)$ Two $\alpha$-chains and two $\beta$-chains
$(B)$ Haemoglobin	$(ii)$ $FMN$
$(C)$ Cytoplasm	$(iii)$ Nitrogen fixation
$(D)$ Azotobacter	$(iv)$ Site of protein synthesis
	$(v)$ Polar and negatively charged amino acid

Riboflavin is