Assertion (A) Vitmin D can be stored in our body.
Reason (R) Vitamin D is fat soluble vitamin.
Assertion (A) $\beta$-glycosidic linkage is present in maltose.
Reason (R) Maltose is composed of two glucose units in which $\mathrm{C}-1$ of one glucose unit is linked to $\mathrm{C}-4$ of another glucose unit.
Assertion (A) All naturally occurring $\alpha$-aminoacids except glycine are optically active.
Reason $(R)$ Most naturally occurring amino acids have L-configuration.
Assertion (A) Deoxyribose, $\mathrm{C}_5 \mathrm{H}_{10} \mathrm{O}_4$ is not a carbohydrate.
Reason (R) Carbohydrates are hydrates of carbon so compounds which follow $\mathrm{C}_x\left(\mathrm{H}_2 \mathrm{O}\right)_y$ formula are carbohydrates.
Assertion (A) Glycine must be taken through diet. Reason (R) It is an essential amino acid.