The medicines which stop the growth of other disease causing microorganisms are known as _____.
A
antibiotics
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B
antidotes
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C
antigens
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D
antiserums
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Solution
The correct option is A antibiotics Antibiotics are chemical substances produced by some microbes which in small concentration can kill or retard the growth of harmful microbes without adversely affecting the host. Penicillin was the first antibiotic discoverd. It was discovered by Alexander Flemming.