Woodruff $(1941)$ was responsible for the isolation of:

$A$: Cyclosporin-$A$ is administered during kidney transplantation.
$R$: Cyclosporin-$A$ is produced by bacteria.

$A$: 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.

Which steroid is useful for transformation?

Malt is produced from which of the following?

Match the columns:

Column-$I$	Column-$II$
$(a)$ Aspergillus niger	$(1)$ Lactic acid
$(b)$ Acetobacter aceti	$(2)$ Citric acid
$(c)$ Clostridium butyricum	$(3)$ Acetic acid
$(d)$ Lactobacillus	$(4)$ Butyric acid