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MCQs

Total Questions : 29 | Page 2 of 3 pages
Question 11. Which of the following toxin resembles cholera toxin?
  1.    Stable toxin of E. coli
  2.    Tetanus toxin
  3.    Labile toxin of Escherichia coli
  4.    Diphtheria toxin
 Discuss Question
Answer: Option C. -> Labile toxin of Escherichia coli
Question 12. The halophilic bacteria is/are
  1.    All of these
  2.    V. vulnificus
  3.    Vibrio parahaemolyticus
  4.    V. alginolyticus
 Discuss Question
Answer: Option A. -> All of these
Question 13.  
Which of the following medium are used to differentiate the colonies of Vibrio cholerae and V parahaemolyticus?
  1.    Alkaline bile salt
  2.    Thiosulphate-citrate-bile-sucrose
  3.    MacConkey
  4.    All of the above
 Discuss Question
Answer: Option B. -> Thiosulphate-citrate-bile-sucrose
Question 14.  Which of the followings can be used to differentiate between classical and El Tor biotypes of Vibrio cholerae?
  1.    Sensitivity to Mukerjee's group IV phage
  2.    Agglutination of fowl RBCs
  3.    Sensitivity to polymyxin B
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 15.  Which of the following bacteria is associated with food poisoning due to consumption of sea fish?
  1.    Vibrio parahaemolyticus
  2.    V alginolyticus
  3.    V vulnificus
  4.    All of these
 Discuss Question
Answer: Option A. -> Vibrio parahaemolyticus
Question 16.  
Which of the following biotypes of Vibrio cholerae are prevalent in India?
  1.    EI Tor
  2.    Classical
  3.    Both (a) and (b)
  4.    None of these
 Discuss Question
Answer: Option A. -> EI Tor
Question 17.  Acute diarrhoeal disease resembling cholera can be caused due to
  1.    Aeromonas hydrophila
  2.    Vibrio vulnificus
  3.    V. alginolyticus
  4.    All of these
 Discuss Question
Answer: Option A. -> Aeromonas hydrophila
Question 18.  Which of the following conditions can be caused by Plesiomonas?
  1.    Septicaemia
  2.    Gastroenteritis
  3.    Cellulites
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 19.  The transport medium for Vibrio cholerae can be
  1.    Venkatraman-Ramakrishnan medium
  2.    Selenite F broth
  3.    Tetrathionate broth
  4.    Nutrient broth
 Discuss Question
Answer: Option A. -> Venkatraman-Ramakrishnan medium
Question 20.  Which of the following does not cause wound infection following exposure to sea water or infected shellfish?
  1.    Vibrio vulnificus
  2.    V. alginolyticus
  3.    V. cholerae
  4.    Aeromonas
 Discuss Question
Answer: Option C. -> V. cholerae

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