Which among the following acts as a vitamin?

Match the vitamins in List-$I$ with their sources in List-$II$.

List-$I$	List-$II$
$A$. Vitamin $A$	$I$. Meat
$B$. Vitamin $B_{12}$	$II$. Sunflower oil
$C$. Vitamin $E$	$III$. Green leafy vegetables
$D$. Vitamin $K$	$IV$. Carrots

Choose the correct answer from the options given below.

The deficiency of vitamin $(X)$ causes convulsions. Source of $X$ is $Y$. What are $X$ and $Y$?

Which one of the following vitamins is not stored in adipose tissue?

Riboflavin is the chemical name of.......

From the vitamins $A, B_1, B_6, B_{12}, C, D, E$ and $K$,the number of vitamins that can be stored in our body is............