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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
The discoverer of penicillin is:
  • A
    Alexander Hook
  • B
    Alexander Fleming
  • C
    Alexander Brown
  • D
    Alexander Schwann
✓

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