$A$ good producer of citric acid is

Assertion $A$: Fungi are used to ripen Roquefort cheese.
Reason $R$: $Propionibacterium$ $sharmanii$ is used for Swiss cheese.
Which option is correct for Assertion $A$ and Reason $R$?

Which organic acid is produced by fungi?

Which of the following beverages are produced by distillation and which are produced without distillation?
$I -$ Wine, $II -$ Rum, $III -$ Brandy, $IV -$ Beer, $V -$ Whisky

Cells in a continuous culture system are maintained in:

Who established the full potential of penicillin as an effective antibiotic?