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Antibiotics are...

Antibiotics are

A

Drugs to kill viruses

B

oxins produced by bacteria

C

Products of bacterial metabolism

D

Both (b) & (c)

Text Solution

Verified by Experts

The correct Answer is:
D
Both (b) & (c)
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Passage 2 Antibiotics are the chemical substances which are produced by microorganisms like bacteria, fungi and moulds. Antibiotics can inhibit the growth or even destroy other microorganisms. Now-a-days, synthetic antibiotics are also available. The first successful antibiotic produced was penicillin. The antibiotics may be either bacteriocidal (kills the organism in the body) or bacteriostatic (inhibits the growth of organism). Ampicillin and amoxycillin are modified antibiotics. Broad spectrum antibiotics are effective against several types of harmful microorganisms. 2. Which of the following is/are not an antibiotic ?

Passage 2 Antibiotics are the chemical substances which are produced by microorganisms like bacteria, fungi and moulds. Antibiotics can inhibit the growth or even destroy other microorganisms. Now-a-days, synthetic antibiotics are also available. The first successful antibiotic produced was penicillin. The antibiotics may be either bacteriocidal (kills the organism in the body) or bacteriostatic (inhibits the growth of organism). Ampicillin and amoxycillin are modified antibiotics. Broad spectrum antibiotics are effective against several types of harmful microorganisms. 4. Which of the following antibiotics is/are the modification of penicillins ?

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