Q. The international unit of penicillin is defined by how much amount of International Standard?

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Q. Zone of inhibition is observed in tube-dilution method.

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Q. Pigs respond dramatically to the addition of which of the following antibiotics to their diet?

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Q. Which of the following antibiotic have a sparing effect on the B12 in the diet?

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Q. Antibiotics are not effective against plant pathogens.

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Q. Nystatin is produced from the strain _____________________

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Q. Griseofulvin is useful in the therapy of nonsystemic fungal infections.

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Q. Acycloguanosine is a nucleoside analog which is active against ___________________

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Q. Which of the following has its antiviral action attributed to interference of protein synthesis?

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Q. Amantadine is very effective against influenza A virus.

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Q. Which of the following is effective in the control of tuberculosis in humans?

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Q. Anthramycin is which of the following type of antibiotic?

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Q. Which of the following is a drug that interferes with the process of DNA production in the virus that causes genital herpes?

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Q. Which of the antibiotic is not used as a food preservative ?

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Q. The most selective antibiotics are those that interfere with the synthesis of

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Q. Cycloserine inhibits

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Q. Which antibiotic has a beta-lactam ring?

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Q. Chemotherapeutic agents must

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Q. Novobiocin can be used against

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Q. Interference mechanism of ciprofloxacin and norfloxacin is due to their action on

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