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प्रश्न
How was penicillin discovered?
उत्तर
Penicillin was an accidental discovery. Sir Alexander Fleming observed that in unwashed culture plates of Staphylococcus, a mould Penicillium was growing This mould inhibited the growth of Staphylococcus. Latre the antibiotic Penicillin was isolated from this fungus.
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