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MCQs

Total Questions : 139 | Page 5 of 14 pages
Question 41. Which of following bacteria are responsible for food poisoning?
  1.    vibrio cholerae
  2.    salmonella
  3.    neisseria gonorrhoeae.
  4.    Thiomargarita namibiensis
 Discuss Question
Answer: Option B. -> salmonella
Answer: (b).salmonella
Question 42. Which of following is not an antibiotic?
  1.    erythromycin
  2.    tetracycline
  3.    penicillin
  4.    ribavirin
 Discuss Question
Answer: Option D. -> ribavirin
Answer: (d).ribavirin
Question 43. Which of following is not a part of bacterial flagellum?
  1.    motor
  2.    tail
  3.    hook
  4.    filament
 Discuss Question
Answer: Option B. -> tail
Answer: (b).tail
Question 44. What is average diameter of one of smallest bacteria, Mycoplasma?
  1.    5 um
  2.    1 um
  3.    0.1 um
  4.    10 um
 Discuss Question
Answer: Option C. -> 0.1 um
Answer: (c).0.1 um
Question 45. Which of following is an example of filamentous cyanobacterium?
  1.    Borrelia burgdorferi
  2.    Leptospira
  3.    oscillatoria
  4.    Thiomargarita namibiensis
 Discuss Question
Answer: Option C. -> oscillatoria
Answer: (c).oscillatoria
Question 46. Our intestines are home to how many species of bacteria?
  1.    1000
  2.    200
  3.    10000
  4.    100
 Discuss Question
Answer: Option A. -> 1000
Answer: (a).1000
Question 47. Which of following bacteria are responsible for most commonly transmitted sexual disease?
  1.    salmonella
  2.    Bdellovibrios
  3.    Thiomargarita namibiensis
  4.    Nongonococcal urethritis
 Discuss Question
Answer: Option D. -> Nongonococcal urethritis
Answer: (d).Nongonococcal urethritis
Question 48. A movement based on a stimulus is called
  1.    Pilli
  2.    pull
  3.    stimulus
  4.    taxis
 Discuss Question
Answer: Option D. -> taxis
Answer: (d).taxis
Question 49. Harmless bacteria can turn virulent by which of following?
  1.    horizontal gene transfer
  2.    vertical gene transfer
  3.    phage infection
  4.    toxin release
 Discuss Question
Answer: Option A. -> horizontal gene transfer
Answer: (a).horizontal gene transfer
Question 50. Membrane lipids of which of following have branched hydrocarbons?
  1.    archaea
  2.    prokaryotes
  3.    fungi
  4.    animals
 Discuss Question
Answer: Option A. -> archaea
Answer: (a).archaea

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