Progesterone is produced by which of the following?

The antibiotic penicillin is obtained from ..........

Which of the following microorganisms is used in the industry for the production of citric acid?

Name any two species of fungus, which are used in the production of antibiotics.

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 $d$?

$A$ chemical produced by a microorganism that inhibits the growth of another microorganism is called a/an......