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MCQs

Total Questions : 29 | Page 1 of 3 pages
Question 1. Which of the following bacteria is associated with food poisoning due to consumption of sea fish?
  1.    Vibrio parahaemolyticus
  2.    All of these
  3.    V alginolyticus
  4.    V vulnificus
 Discuss Question
Answer: Option A. -> Vibrio parahaemolyticus
Question 2. Which of the following conditions can be caused by Plesiomonas?
  1.    Gastroenteritis
  2.    All of these
  3.    Septicaemia
  4.    Cellulites
 Discuss Question
Answer: Option B. -> All of these
Question 3. Which of the followings can be used to differentiate between classical and El Tor biotypes of Vibrio cholerae?
  1.    Agglutination of fowl RBCs
  2.    All of these
  3.    Sensitivity to polymyxin B
  4.    Sensitivity to Mukerjee's group IV phage
 Discuss Question
Answer: Option B. -> All of these
Question 4. Which of the following biotypes of Vibrio cholerae are prevalent in India?
  1.    Classical
  2.    None of these
  3.    EI Tor
  4.    Both (a) and (b)
 Discuss Question
Answer: Option C. -> EI Tor
Question 5. Which of the following medium are used to differentiate the colonies of Vibrio cholerae and V parahaemolyticus?
  1.    MacConkey
  2.    Thiosulphate-citrate-bile-sucrose
  3.    Alkaline bile salt
  4.    All of these
 Discuss Question
Answer: Option B. -> Thiosulphate-citrate-bile-sucrose
Question 6. Which of the following does not cause wound infection following exposure to sea water or infected shellfish?
  1.    Vibrio vulnificus
  2.    V. cholerae
  3.    V. alginolyticus
  4.    Aeromonas
 Discuss Question
Answer: Option B. -> V. cholerae
Question 7. Acute diarrhoeal disease resembling cholera can be caused due to
  1.    Vibrio vulnificus
  2.    Aeromonas hydrophila
  3.    All of these
  4.    V. alginolyticus
 Discuss Question
Answer: Option B. -> Aeromonas hydrophila
Question 8. The test(s) used for the assay of cholera toxin is/are
  1.    All of these
  2.    Radioimmunoassay
  3.    Enzyme-linked immunosorbent assay
  4.    Morphological changes in Chinese hamster ovary cells
 Discuss Question
Answer: Option A. -> All of these
Question 9. The transport medium for Vibrio cholerae can be
  1.    Selenite F broth
  2.    Venkatraman-Ramakrishnan medium
  3.    Tetrathionate broth
  4.    Nutrient broth
 Discuss Question
Answer: Option B. -> Venkatraman-Ramakrishnan medium
Question 10. The DNA coding for the production of cholera toxin in Vibrio cholerae is on the
  1.    plasmid
  2.    chromosome
  3.    phage
  4.    transposon
 Discuss Question
Answer: Option B. -> chromosome

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