Vibrio, Aeromonas and Plesiomonas problems
- 1. Which of the following conditions can be caused by Plesiomonas?
Options- A. Septicaemia
- B. Gastroenteritis
- C. Cellulites
- D. All of these Discuss
Correct Answer: All of these
- 2. The DNA coding for the production of cholera toxin in Vibrio cholerae is on the
Options- A. phage
- B. plasmid
- C. chromosome
- D. transposon Discuss
Correct Answer: chromosome
- 3. Which of the following toxin resembles cholera toxin?
Options- A. Stable toxin of E. coli
- B. Diphtheria toxin
- C. Labile toxin of Escherichia coli
- D. Tetanus toxin Discuss
Correct Answer: Labile toxin of Escherichia coli
- 4. Which of the following biotypes of Vibrio cholerae are prevalent in India?
Options- A. EI Tor
- B. Classical
- C. Both (a) and (b)
- D. None of these Discuss
Correct Answer: EI Tor
- 5. Which of the followings can be used to differentiate between classical and El Tor biotypes of Vibrio cholerae?
Options- A. Sensitivity to Mukerjee's group IV phage
- B. Agglutination of fowl RBCs
- C. Sensitivity to polymyxin B
- D. All of these Discuss
Correct Answer: All of these
- 6. The halophilic bacteria is/are
Options- A. V. alginolyticus
- B. V. vulnificus
- C. Vibrio parahaemolyticus
- D. All of these Discuss
Correct Answer: All of these
- 7. Which of the following medium are used to differentiate the colonies of Vibrio cholerae and V parahaemolyticus?
Options- A. Alkaline bile salt
- B. Thiosulphate-citrate-bile-sucrose
- C. MacConkey
- D. All of the above Discuss
Correct Answer: Thiosulphate-citrate-bile-sucrose
- 8. Acute diarrhoeal disease resembling cholera can be caused due to
Options- A. Aeromonas hydrophila
- B. Vibrio vulnificus
- C. V. alginolyticus
- D. All of these Discuss
Correct Answer: Aeromonas hydrophila
- 9. Which of the following bacteria is associated with food poisoning due to consumption of sea fish?
Options- A. Vibrio parahaemolyticus
- B. V alginolyticus
- C. V vulnificus
- D. All of these Discuss
Correct Answer: Vibrio parahaemolyticus
- 10. The test(s) used for the assay of cholera toxin is/are
Options- A. Radioimmunoassay
- B. Enzyme-linked immunosorbent assay
- C. Morphological changes in Chinese hamster ovary cells
- D. All of the above Discuss
Correct Answer: All of the above
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