Passage Based Questions \( \mathrm{P} \) Direction Answer the questions on W the basis of your u...

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Passage Based Questions
\( \mathrm{P} \)
Direction Answer the questions on
W the basis of your understanding of the following passage and related studied concepts:

Anribiotics are chemical substances produced by living organisms such as bacteria and fungi, erc., which can kill or stop the growth of some pathogenic (disease producing) microorganisms such as bacteria and fungi. Some of the important antibiotics which are used for the treatment of diseases caused by bacteria and fungi :
1. Penicillin; 2. Tetracycline; 3. Streptomycin;
4. Chloromycerin; 5. Quinoclones;
6. Cephalosporin; 7. Gentamycin;
8. Chloramphenicol and 9. Rifampicin.
The treatment of viral infections is more difficult than that of bacterial infection. For each type of viral infection, human body produces its own antiviral protein, called interferon (IFN), which virus makes resistant to the virus infection.

Why penicillin is able to restrict the growth of bacteria.
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