Citric acid is produced by

How has the discovery of antibiotics helped mankind in the field of medicine ?

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 are

$A $ : Wine and beer are produced by distillation of the fermented broth.

$R$ : Different types of alcoholic drinks are obtained only by fermentation, always followed by distillation process.

Consider the following statements

$I.$ Yeast used in making bread and beverages is a prokaryotic fungus

$II.$ Streptokinase is produced by Streptococcus and modified by genetic engineering is used as a clot buster

$III.$ Lipases are added in detergent for removing only stains from laundry

$IV.$ Pectinases are used in clearing fruit juices

Which of the statement given above are correct?

Who first realized the use of yeast in fermentation