Which acid is obtained from the fungus $Aspergillus$ $niger$?

  • A
    Acetic acid
  • B
    Citric acid
  • C
    Butyric acid
  • D
    Lactic acid

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Wine is prepared by the fermentation of grape juice by:

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

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:

$S$ - Statement: The fermentation process of microbes is also used to produce certain vitamins.
$R$ - Reason: Riboflavin is produced by $Ashbya$ $gossypii$.

Yeast is used in the production of $......$.

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