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

Which organism is used in the industrial production of citric acid?

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

Match the following organisms with the products they produce:

$(a)$ Lactobacillus	$(i)$ Cheese
$(b)$ Saccharomyces cerevisiae	$(ii)$ Curd
$(c)$ Aspergillus niger	$(iii)$ Citric Acid
$(d)$ Acetobacter aceti	$(iv)$ Bread
	$(v)$ Acetic Acid

Select the correct option.

Monascus purpureus is a yeast used commercially in the production of

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 $d$?