Riboflavin and Renin are respectively .....

Statement $P$: Enzymes are biological catalysts.
Statement $Q$: They are produced by living cells in small amounts to catalyze reactions.

The enzymes which act within the cell in which they are synthesized are called . . . . . . .

Match the types of enzymes in Column-$I$ with examples in Column-$II$ and select the correct option.

Column $I$	Column $II$
$i$. Purely proteinaceous enzyme	$a$. Glucokinase
$ii$. Conjugated enzyme	$b$. Epimerase
$iii$. Transferase enzyme	$c$. Protease
$iv$. Isomerase enzyme	$d$. $FMN$

At the time of cotton seeds germination,the stored food is digested by

Which of the following is the best evidence for the template theory (lock and key hypothesis) of enzyme action?