Q.1
Which of the following is the most accurate method for microbial assay of antibiotics?
  • a) Physical assay
  • b) Chemical assay
  • c) Biological assay
  • d) Chemical and biological assay
Q.2
The international unit of penicillin is defined by how much amount of International Standard?
  • a) 1 mg
  • b) 0.262 µg
  • c) 0.5988 µg
  • d) 0.5 mg
Q.3
Zone of inhibition is observed in tube-dilution method.
  • a) True
  • b) False
Q.4
Pigs respond dramatically to the addition of which of the following antibiotics to their diet?
  • a) aureomycin
  • b) terramycin
  • c) penicillin
  • d) oxytetracycline
Q.5
Which of the following antibiotic have a sparing effect on the Bin the diet?
  • a) Streptomycin
  • b) Tetracycline
  • c) Anthramycin
  • d) Chloramphenicol
Q.6
Antibiotics are not effective against plant pathogens.
  • a) True
  • b) False
Q.7
Nystatin is produced from the strain _____________________
  • a) Streptomyces noursei
  • b) Streptomyces aureofaciens
  • c) Streptomyces kanamyceticus
  • d) Streptomyces fradiae
Q.8
Griseofulvin is useful in the therapy of nonsystemic fungal infections.
  • a) True
  • b) False
Q.9
Acycloguanosine is a nucleoside analog which is active against ___________________
  • a) Influenza A virus
  • b) HIV virus
  • c) Herpes virus
  • d) Influenza B virus
Q.10
Which of the following has its antiviral action attributed to the interference of protein synthesis?
  • a) Amantadine
  • b) Interferons
  • c) Acycloguanosine
  • d) 5’-iododeoxyuridine
Q.11
Amantadine is very effective against influenza A virus.
  • a) True
  • b) False
Q.12
Which of the following is effective in the control of tuberculosis in humans?
  • a) Nitrofurans
  • b) Nalidixic Acid
  • c) Sibromycin
  • d) Isoniazid
Q.13
Anthramycin is which of the following type of antibiotic?
  • a) Antiviral
  • b) Antitumor
  • c) Antifungal
  • d) Antibacterial
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