

MCQOPTIONS
This section includes 15 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 cross-reacts with cell wall carbohydrate of ? |
A. | Cardiac valves |
B. | Synovial fluid |
C. | Myocardium |
D. | Vascular intima |
Answer» B. Synovial fluid | |
2. |
can be differentiated from other haemolytic on the basis of |
A. | Bacitracin sensitivity |
B. | Erythromycin sensitivity |
C. | Aminoglycosides sensitivity |
D. | Penicillin sensitivity |
Answer» B. Erythromycin sensitivity | |
3. |
Cell wall protein of with human |
A. | synovial fluid |
B. | cardiac valves |
C. | myocardium |
D. | vascular intima |
Answer» D. vascular intima | |
4. |
Which of the following condition is non-suppurative sequelae of infections? |
A. | Acute rheumatic fever |
B. | Acute glomerulonephritis |
C. | Erythema nodosum |
D. | All of these |
Answer» E. | |
5. |
Crystal violet blood agar is a selective medium for |
A. | <i> -haemolytic</i> |
B. | streptococci |
C. | <i>Staphylococcus aureus</i> |
D. | <i>Corynebacterium diphtheriae</i> |
E. | <i>Mycobacterium tuberculosis</i> |
Answer» B. streptococci | |
6. |
Streptolysin O is |
A. | antigenic |
B. | oxygen-labile |
C. | heat-labile |
D. | all of these |
Answer» E. | |
7. |
Individuals suffering from primary atypical pneumonia have agglutinins to |
A. | <i>Streptococcus MG </i> |
B. | <i> S avium</i> |
C. | <i>S mutans</i> |
D. | <i>Enterococcus faecalis</i> |
Answer» B. <i> S avium</i> | |
8. |
Which of the following test(s) may establish retrospective diagnosis of streptococcal infection? |
A. | Anti-DNase B test |
B. | ASO test |
C. | Streptozyme test |
D. | All of these |
Answer» E. | |
9. |
The bacterial sore throat is caused by |
A. | <i>Staphylococcus aureus</i> |
B. | <i>Haemophilus spp</i> |
C. | <i>Streptococcus pyogenes</i> |
D. | <i>Mycoplasma pneumoniae</i> |
Answer» D. <i>Mycoplasma pneumoniae</i> | |
10. |
The bacteria involved in the production of dental caries is/are |
A. | <i>Streptococcus mutans</i> |
B. | <i>S sanguis</i> |
C. | Both (a) and (b) |
D. | <i>Streptococcus pyogenes</i> |
Answer» D. <i>Streptococcus pyogenes</i> | |
11. |
Which of the following test indicates the susceptibility to streptococcal pyrogenic exotoxin? |
A. | Schick test |
B. | Disk test |
C. | ASO test |
D. | Precipitation test |
Answer» C. ASO test | |
12. |
Which of the following cross-reacts with cell wall carbohydrate of Streptococcus pyogenes? |
A. | Cardiac valves |
B. | Synovial fluid |
C. | Myocardium |
D. | Vascular intima |
Answer» B. Synovial fluid | |
13. |
Streptococcus pyogenes can be differentiated from other haemolytic Streptococci on the basis of |
A. | Bacitracin sensitivity |
B. | Erythromycin sensitivity |
C. | Aminoglycosides sensitivity |
D. | Penicillin sensitivity |
Answer» B. Erythromycin sensitivity | |
14. |
Which of the following condition is non-suppurative sequelae of Streptococcus pyogenes infections? |
A. | Acute rheumatic fever |
B. | Acute glomerulonephritis |
C. | Erythema nodosum |
D. | All of these |
Answer» E. | |
15. |
Cell wall protein of Streptococcus pyogenes crossreacts with human |
A. | synovial fluid |
B. | cardiac valves |
C. | myocardium |
D. | vascular intima |
Answer» D. vascular intima | |