Hydroxyprogesterone is produced from which of the following?

The microbe $Pseudomonas$ $denitrificans$ produces Vitamin

Yeast has been used for the commercial production of:
$I.$ Ethanol
$II.$ Bread
$III.$ Cheese
Choose the correct option.

The yeast enzyme that converts glucose into ethyl alcohol is called ......

Read the following statement having two blanks $(A$ and $B)$:
$A$ drug used for $A$ patients is obtained from a species of the organism $B$. It helps in clearing blood clots inside the blood vessels.
The one correct option for the two blanks is:

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 $d$?