Among the following $B$ group vitamins,the deficiency of which one results in convulsions?

What is another name for Vitamin $E$?

Match the $LIST$-$I$ with $LIST$-$II$:

$LIST$-$I$ (Deficiency Disease)	$LIST$-$II$ (Vitamin)
$A$. Scurvy	$I$. Vitamin $B_6$
$B$. Convulsions	$II$. Vitamin $A$
$C$. Cheilosis	$III$. Vitamin $C$
$D$. Xerophthalmia	$IV$. Vitamin $B_2$

From the following,the number of fat-soluble and water-soluble vitamins respectively are $A, D, C, B_1, K, B_6$.

Which of the following statements are correct?
$a$. Deficiency of vitamin $K$ results in increased blood clotting time.
$b$. The sources of vitamin $B_2$ are milk and liver.
$c$. Hexapeptide has six peptide bonds.
$d$. Improper functioning of adrenal cortex results in hypoglycemia.

Vitamin $A$ is present in