Which bacterium is used to produce Swiss cheese?

Match Column $I$ (Antibiotic) with Column $II$ (Source) and choose the correct option from the codes given below.

Column $I$	Column $II$
$A$. Fumagillin	$1$. Gliocladium virens
$B$. Bacitracin	$2$. Streptomyces griseus
$C$. Streptomycin	$3$. Bacillus polymyxa
$D$. Viridin	$4$. Aspergillus fumigatus
$E$. Polymixin	$5$. Bacillus licheniformis

Codes:
$A \quad B \quad C \quad D \quad E$

The production of vinegar from alcohol is caused by . . . . . . .

$A$: Myocardial infarction can now be treated more effectively due to genetic engineering.
$R$: Streptokinase produced by $Streptococcus$ and modified by $RDT$ is used as a clot buster for removing thrombus.

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

Which country uses ethanol as a fuel?