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

Write a note on vitamins.

Which of the following vitamins is not soluble in water?

Match the following:

$(i)$ Riboflavin	$(a)$ Beriberi
$(ii)$ Thiamine	$(b)$ Scurvy
$(iii)$ Pyridoxine	$(c)$ Cheilosis
$(iv)$ Ascorbic acid	$(d)$ Convulsions

The correct order of match between column $X$ and column $Y$ is:

$X$	$Y$
$I$. Vitamin $A$	$i$. Muscular weakness
$II$. Vitamin $D$	$ii$. Increased blood clotting time
$III$. Vitamin $E$	$iii$. Night-blindness
$IV$. Vitamin $K$	$iv$. Osteomalacia

Assertion : Vitamin $D$ cannot be stored in our body.
Reason : Vitamin $D$ is a fat-soluble vitamin and is excreted from the body in urine.