Assertion :While working on Staphylococci, Alexander Fleming observed that Penicillium notatum inhibits the growth of bacteria Reason: The inhibiting chemical was commercially extracted and its full potential was established by Alexander Fleming.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution
The correct option is C Assertion is correct but Reason is incorrect Alexander Fleming while working on Staphylococci bacteria, once observed a mould growing in one of his unwashed culture plates around which Staphylococci could not grow. He found out that it was due to a chemical produced by the mould and he named it Penicillin after the mould Penicillium notatum. However, its full potential as an effective antibiotic was established much later by Ernst Chain and Howard Florey.
So, the correct option is 'Assertion is correct but Reason is incorrect'