Which organism is used for the production of penicillin?

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.

Selman Waksman received the Nobel Prize for the discovery of which antibiotic?

What is produced by the fermentation of carbohydrates present in green plant tissues?

Glucose is converted by zymase into

Which of the following bacteria is used to remove the bitterness of tea leaves?