MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following medium are used to differentiate the colonies of and ? |
| A. | Alkaline bile salt |
| B. | Thiosulphate-citrate-bile-sucrose |
| C. | MacConkey |
| D. | All of the above |
| Answer» C. MacConkey | |
| 2. |
Which of the followings can be used to differentiate between classical and El Tor biotypes of ? |
| A. | Sensitivity to Mukerjee's group IV phage |
| B. | Agglutination of fowl RBCs |
| C. | Sensitivity to polymyxin B |
| D. | All of these |
| Answer» E. | |
| 3. |
Which of the following biotypes of are prevalent in India? |
| A. | Classical |
| B. | Both (a) and (b) |
| C. | None of these |
| Answer» B. Both (a) and (b) | |
| 4. |
Which of the following conditions can be caused by ? |
| A. | Septicaemia |
| B. | Gastroenteritis |
| C. | Cellulites |
| D. | All of these |
| Answer» E. | |
| 5. |
The transport medium for can be |
| A. | Venkatraman-Ramakrishnan medium |
| B. | Selenite F broth |
| C. | Tetrathionate broth |
| D. | Nutrient broth |
| Answer» B. Selenite F broth | |
| 6. |
The DNA coding for the production of cholera toxin in is on the |
| A. | phage |
| B. | plasmid |
| C. | chromosome |
| D. | transposon |
| Answer» D. transposon | |
| 7. |
The halophilic bacteria is/are |
| A. | <i>V. alginolyticus</i> |
| B. | <i>V. vulnificus</i> |
| C. | <i>Vibrio parahaemolyticus</i> |
| D. | All of these |
| Answer» E. | |
| 8. |
The transport medium for Vibrio cholerae can be |
| A. | Venkatraman-Ramakrishnan medium |
| B. | Selenite F broth |
| C. | Tetrathionate broth |
| D. | Nutrient broth |
| Answer» B. Selenite F broth | |
| 9. |
The test(s) used for the assay of cholera toxin is/are |
| A. | Radioimmunoassay |
| B. | Enzyme-linked immunosorbent assay |
| C. | Morphological changes in Chinese hamster ovary cells |
| D. | All of the above |
| Answer» E. | |
| 10. |
The DNA coding for the production of cholera toxin in Vibrio cholerae is on the |
| A. | phage |
| B. | plasmid |
| C. | chromosome |
| D. | transposon |
| Answer» D. transposon | |
| 11. |
Which of the following does not cause wound infection following exposure to sea water or infected shellfish? |
| A. | <i>Vibrio vulnificus</i> |
| B. | <i>V. alginolyticus</i> |
| C. | <i>V. cholerae</i> |
| D. | <i>Aeromonas</i> |
| Answer» D. <i>Aeromonas</i> | |
| 12. |
Which of the following conditions can be caused by Plesiomonas? |
| A. | Septicaemia |
| B. | Gastroenteritis |
| C. | Cellulites |
| D. | All of these |
| Answer» E. | |
| 13. |
Which of the following medium are used to differentiate the colonies of Vibrio cholerae and V parahaemolyticus? |
| A. | Alkaline bile salt |
| B. | Thiosulphate-citrate-bile-sucrose |
| C. | MacConkey |
| D. | All of the above |
| Answer» C. MacConkey | |
| 14. |
Which of the followings can be used to differentiate between classical and El Tor biotypes of Vibrio cholerae? |
| A. | Sensitivity to Mukerjee's group IV phage |
| B. | Agglutination of fowl RBCs |
| C. | Sensitivity to polymyxin B |
| D. | All of these |
| Answer» E. | |
| 15. |
Which of the following biotypes of Vibrio cholerae are prevalent in India? |
| A. | <i>EI Tor</i> |
| B. | Classical |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» B. Classical | |
| 16. |
Which of the following bacteria is associated with food poisoning due to consumption of sea fish? |
| A. | <i>Vibrio parahaemolyticus</i> |
| B. | <i>V alginolyticus</i> |
| C. | <i>V vulnificus</i> |
| D. | All of these |
| Answer» B. <i>V alginolyticus</i> | |
| 17. |
Acute diarrhoeal disease resembling cholera can be caused due to |
| A. | <i>Aeromonas hydrophila</i> |
| B. | <i> Vibrio vulnificus</i> |
| C. | <i> V. alginolyticus</i> |
| D. | All of these |
| Answer» B. <i> Vibrio vulnificus</i> | |