Which of the following organisms is useful in the preparation of Roquefort cheese?

Match the columns:

Column-$I$	Column-$II$
$(a)$ Aspergillus niger	$(1)$ Lactic acid
$(b)$ Acetobacter aceti	$(2)$ Citric acid
$(c)$ Clostridium butyricum	$(3)$ Acetic acid
$(d)$ Lactobacillus	$(4)$ Butyric acid

Choose the correct option for $Trichoderma$ $polysporum$.

Which of the following is used to remove oily stains in laundry?

$A$ patient brought to a hospital with myocardial infarction is normally immediately given

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 $d$?