Advertisements
Advertisements
Question
Assertion (A): While working on Staphylococci, Alexander Fleming observed that Penicillium notatum inhibits the growth of bacteria.
Reason (R): The inhibiting chemical was commercially extracted and its full potential was established by Alexander Fleming.
Options
Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.
Advertisements
Solution
(A) is true, but (R) is false.
Explanation:
Penicillin was discovered by Fleming when he found that Penicillium notatum suppressed bacterial growth. However, it was not Fleming who carried out the large-scale manufacture and commercial extraction of penicillin, but rather Howard Florey and Ernst Boris Chain.
