Penicillin was discovered by Alexander Fleming in September 1928. Which organism did he obtain it from?

Penicillium chrysogenum

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Penicillium notatum

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Saccharomyces cerevisiae

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None of these

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Solution

The correct option is B
Penicillium notatum

Alexander Fleming first discovered Penicillin from a fungus named Penicillium notatum. Nowadays Penicillium chyrsogenum is preferred for industrial preparation of penicillin.

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