Antibiotics are produced by

Match the following enzymes in Column-$I$ with their source in Column-$II$.

Column-$I$	Column-$II$
$A$. Pectinase	$i$. $Saccharomyces \text{ } cerevisiae$
$B$. Lipase	$ii$. $Aspergillus \text{ } niger$
$C$. Invertase	$iii$. $Trichoderma \text{ } konigii$
$D$. Cellulase	$iv$. $Candida \text{ } lipolytica$

Which statin is produced by the yeast and has been commercialized as a blood-cholesterol-lowering agent?

Which microorganism is used for the production of ethanol from malted cereals and fruit juices?

Identify the correct pair:

Fill in the blanks:
$(I)$ Ethanol is produced by $...a...$
$(II)$ Large scale production of beverages in industries is done in very large vessels called $...b...$
$(III)$ Penicillin was discovered by $...c...$
$(IV)$ $LAB$ checks disease-causing microbes in $...d...$
Which of the following options correctly identifies $a$ to $d$?