Antixerophthalmia vitamin is

At what temperature is the density of water maximum (in $^\circ \text{C}$)?

In which component is a heterocyclic ring found?

The conversion of fatty acids into $CO_2$ and $H_2O$ is called $........$ process,and the synthesis of fatty acids from acetyl $CoA$ is called $........$ process.

...... is known as the anti-sterility vitamin.

In which organ of the human body does glycogenolysis occur?