$Assertion (S)$: Ernest Chain and Howard Florey were awarded the Nobel Prize in $1948$.
$Reason (R)$: Lactic acid is produced by the fungus $Aspergillus$ $niger$.

  • A
    $S$ and $R$ are both true, and $R$ is the correct explanation of $S$.
  • B
    $S$ and $R$ are both true, but $R$ is not the correct explanation of $S$.
  • C
    $S$ is true and $R$ is false.
  • D
    $S$ and $R$ are both false.

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Match the following columns and select the correct option.
Column-$I$Column-$II$
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$(b)$ $Saccharomyces$$(ii)$ Increases quality of Vitamin $B_{12}$
$(c)$ $Propionibacterium$$(iii)$ Bread making
$(d)$ Silage$(iv)$ Swiss cheese

Which of the following statements is false?

Name the scientists who were credited for showing the role of Penicillin as an antibiotic.

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Column-$I$Column-$II$
$(A)$ Saccharomyces cerevisiae$(i)$ Production of immuno-suppressive agent
$(B)$ Monascus purpureus$(ii)$ Ripening of Swiss cheese
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$(D)$ Propionibacterium$(iv)$ Production of blood-cholesterol lowering agents

Which one of the following pairs is wrongly matched?

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