Glucose and gluconic acid on oxidation with dilute nitric acid $(HNO_3)$ form saccharic acid. This reaction confirms that glucose contains:

Which one of the following is the reagent used to identify glucose?

The optical rotation of the $\alpha$-form of a pyranose is $+150.7^{\circ}$,that of the $\beta$-form is $+52.8^{\circ}$. In solution,an equilibrium mixture of these anomers has an optical rotation of $+80.2^{\circ}$. The percentage of the $\alpha$-form in the equilibrium mixture is $....... \%$.

What type of glycosidic linkages are developed when excess glucose is to be stored for future use in animals?

Glucose cannot be classified as

$DNA$ molecule contains $4$ bases whose structures are shown below. One of the structures is not correct,identify the incorrect base structure.