The concentration of alcohol in a sugar solution inoculated with yeast,after which the yeast cells are killed,is: (in $\%$)

Assertion $A$: Cyclosporin-$A$ is used in organ transplantation of patients.
Reason $R$: It reduces the cholesterol level in the blood.
Which option is correct for Assertion $A$ and Reason $R$?

Why is distillation required for producing certain alcoholic drinks?

Match the microbial products listed under Column-$I$ with the related microbes given under Column-$II$.

Column-$I$	Column-$II$
$A$. Citric acid	$p$. Methanobacterium
$B$. Cyclosporin $A$	$q$. Monascus purpureus
$C$. Statin	$r$. Aspergillus niger
$D$. Gobar gas	$s$. Trichoderma polysporum
	$t$. Clostridium butylicum

Choose the appropriate option from the given choices.

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

Baker's yeast is