The main enzyme obtained from yeast cells is .........

Which option shows the correctly matched pairs from the table below?

Column-$I$	Column-$II$
$1$. Trichoderma polysporum	$(A)$. Butyric acid
$2$. Monascus purpureus	$(B)$. Cyclosporin $A$
$3$. Clostridium butyricum	$(C)$. Citric acid
$4$. Aspergillus niger	$(D)$. Statins

Identify the odd one out.

Beer is obtained from . . . . . . .

Find out the name of the microbes from which Cyclosporin $A$ (an immunosuppressive drug) and Statins (blood cholesterol lowering agents) are obtained.

Malt is produced from which of the following?