Which of the following are examples for antibiotic?
A
Streptomycin
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B
Sodium bicarbonate
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C
Erythromycin
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D
Penicillin
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Solution
The correct option is D Penicillin
An antibiotic is a substance that is generally produced naturally by a microorganism that selectively inhibits or stops the growth of another microorganism.
However, nowadays synthetic antibiotics are also available.
Dr. Alexander Fleming derived the first antibiotic, Penicillin, from a fungus called Penicillium.
Other examples of antibiotics include erythromycin, tetracycline, streptomycin etc.
Sodium bicarbonate is not an antibiotic. They may be used as antacid medication though.