Assertion $(S)$: Alexander Fleming was the discoverer of antibiotics.
Reason $(R)$: Penicillin was obtained from $Penicillium \text{ } notatum$.

  • 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
    $S$ is false and $R$ is true.

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$S$ (Assertion): Alexander Fleming established the full potential of penicillin as an effective antibiotic.
$R$ (Reason): Alexander Fleming discovered penicillin.

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