What is the chemical name of vitamin $B_1$?

Fat soluble vitamins are $:$
$A.$ Vitamin $B_1$
$B.$ Vitamin $C$
$C.$ Vitamin $E$
$D.$ Vitamin $B_{12}$
$E.$ Vitamin $K$
Choose the correct answer from the options given below $:$

The human body does not produce

Match the following:

List-$I$	List-$II$
$A$. Beri Beri	$I$. Riboflavin
$B$. Scurvy	$II$. Thiamine
$C$. Cheilosis	$III$. Pyridoxine
$D$. Rickets	$IV$. Ascorbic acid
	$V$. Vitamin $D$

The correct answer is

Match List-$I$ with List-$II$:

List-$I$ (Name of the Vitamin)	List-$II$ (Deficiency disease)
$A$. Vitamin $B_{12}$	$I$. Cheilosis
$B$. Vitamin $D$	$II$. Convulsions
$C$. Vitamin $B_2$	$III$. Rickets
$D$. Vitamin $B_6$	$IV$. Pernicious anaemia

Choose the correct answer from the options given below:

$A$ vitamin $X$ is soluble in fat and its source is egg yolk. Deficiency of $X$ causes the disease: