Butyric acid is prepared with the help of $-$

Modern detergents contain enzyme preparations of

$A$: Wine and beer are produced by distillation of the fermented broth.
$R$: Different types of alcoholic drinks are obtained only by fermentation,always followed by distillation process.

The bottled juices are clarified by the use of which enzymes?

What is required for the production of antibiotics?

Match the following columns.

Column $I$	Column $II$
$1$. $Streptococcus$ $pneumoniae$	$(A)$ acetic acid
$2$. $Aspergillus$ $niger$	$(B)$ butyric acid
$3$. $Clostridium$ $butyricum$	$(C)$ streptokinase
$4$. $Acetobacter$ $aceti$	$(D)$ citric acid