Alcoholic beverages are obtained with the help of

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.

Swiss cheese is formed by the bacterium

What is the cause of the flavour of tea and tobacco leaves?

Which steroid is used for transformation?

Which raw material is used in the fermentation process of making beer?