MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Members of the genus are |
| A. | gram-positive |
| B. | acid-fast |
| C. | non-motile |
| D. | all of these |
| Answer» E. | |
| 2. |
Humans become infected with Mycobacterium most frequently by |
| A. | inhalation |
| B. | ingestion |
| C. | contact |
| D. | inoculation |
| Answer» B. ingestion | |
| 3. |
Which of the phage types of occurs most frequently in India? |
| A. | Type A |
| B. | Type B |
| C. | Type C |
| D. | Type I |
| Answer» E. | |
| 4. |
Which of the following bacteria is susceptible to thiophen-2-carboxylic acid hydrazide? |
| A. | <i>M bovis</i> |
| B. | <i>Mycobacterium tuberculosis</i> |
| C. | <i>M chelonei</i> |
| D. | <i> M fortuitum</i> |
| Answer» B. <i>Mycobacterium tuberculosis</i> | |
| 5. |
Culture of tubercle bacilli may be positive if number of bacteria in the specimen is |
| A. | as few as 1-4 per ml |
| B. | as few as 5-9 per ml |
| C. | as few as 10-100 per ml |
| D. | as few as 125-200 per ml |
| Answer» D. as few as 125-200 per ml | |
| 6. |
Example of a Saprophytic bacteria is |
| A. | <i>M xenopi</i> |
| B. | <i>Msmegmatis</i> |
| C. | <i>Mycobacterium chelonei</i> |
| D. | <i>M marinum</i> |
| Answer» C. <i>Mycobacterium chelonei</i> | |
| 7. |
Eugonic growth on Lowenstein-Jensen medium is produced by |
| A. | <i> M bovis</i> |
| B. | <i>Mycobacterium tuberculosis</i> |
| C. | Both (a) and (b) |
| D. | None of the above |
| Answer» C. Both (a) and (b) | |
| 8. |
Which of the following bacteria is sensitive to pyrazinamide? |
| A. | <i>Mycobacterium tuberculosis</i> |
| B. | <i>M bovis</i> |
| C. | <i>M fortuitum</i> |
| D. | None of these |
| Answer» B. <i>M bovis</i> | |
| 9. |
The bacteria which is microaerophilic on primary isolation, is |
| A. | <i>M fortuitum</i> |
| B. | <i>Mycobacterium tuberculosis</i> |
| C. | <i>M bovis</i> |
| D. | none of these |
| Answer» D. none of these | |
| 10. |
False negative Mantoux test is observed in |
| A. | early tuberculosis |
| B. | Advanced tuberculosis |
| C. | Severe malnutrition |
| D. | All of these |
| Answer» E. | |
| 11. |
Which of the following species of Mycobacterium is positive for nitrate reduction test? |
| A. | <i> M chelonei</i> |
| B. | <i>M fortuitum</i> |
| C. | <i>Mycobacterium tuberculosis</i> |
| D. | All of these |
| Answer» E. | |
| 12. |
The bacteria which cause(s) tuberculosis in man is/are |
| A. | <i>M bovis</i> |
| B. | <i>Mycobacterium tuberculosis</i> |
| C. | <i>M africanum</i> |
| D. | All of these |
| Answer» E. | |
| 13. |
Members of the genus Mycobacterium are |
| A. | gram-positive |
| B. | acid-fast |
| C. | non-motile |
| D. | all of these |
| Answer» E. | |
| 14. |
A positive Mantoux test indicates an area of induration of |
| A. | 4-9 mm in diameter |
| B. | 1-4 mm in diameter |
| C. | 10 mm or more in diameter |
| D. | None of these |
| Answer» D. None of these | |
| 15. |
Rough and buff colonies on LJ medium are characteristic of |
| A. | <i>M chelonei</i> |
| B. | <i>M bovis</i> |
| C. | <i>Mycobacterium tuberculosis</i> |
| D. | <i>M fortuitum</i> |
| Answer» D. <i>M fortuitum</i> | |
| 16. |
The causative agent of Buruli ulcer is |
| A. | <i> M chelonei</i> |
| B. | <i>M marinum</i> |
| C. | <i>M fortuitum</i> |
| D. | <i>M ulcerarts</i> |
| Answer» E. | |
| 17. |
Humans become infected with Mycobacterium tuberculosis most frequently by |
| A. | inhalation |
| B. | ingestion |
| C. | contact |
| D. | inoculation |
| Answer» B. ingestion | |
| 18. |
Which of the phage types of Mycobacterium tuberculosis occurs most frequently in India? |
| A. | Type A |
| B. | Type B |
| C. | Type C |
| D. | Type I |
| Answer» E. | |