Streptococcus MCQs : This section focuses on the "Streptococcus". These Multiple Choice Questions (MCQs) should be practiced to improve the Streptococcus skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
The bacterial sore throat is caused by
A. Staphylococcus aureus
B. Haemophilus spp
C. Streptococcus pyogenes
D. Mycoplasma pneumoniae
Question 2
Individuals suffering from primary atypical pneumonia have agglutinins to
A. Streptococcus MG
B. S avium
C. S mutans
D. Enterococcus faecalis
Question 3
Streptolysin O is
A. antigenic
B. oxygen-labile
C. heat-labile
D. All of the above
Question 4
Cell wall protein of Streptococcus pyogenes crossreacts with human
A. synovial fluid
B. cardiac valves
C. myocardium
D. vascular intima
Question 5
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 the above
Question 6
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
Question 7
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
Question 8
Which of the following cross-reacts with cell wall carbohydrate of Streptococcus pyogenes?
A. Cardiac valves
B. Synovial fluid
C. Myocardium
D. Vascular intima
Question 9
Crystal violet blood agar is a selective medium for
A. β-haemolytic streptococci
B. Staphylococcus aureus
C. Corynebacterium diphtheriae
D. Mycobacterium tuberculosis
Question 10
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
Question 11
Streptolysin O is
A. antigenic
B. oxygen-labile
C. heat-labile
D. all of these
Question 12
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 the above
Question 13
Cell wall protein of Streptococcus pyogenes crossreacts with human
A. synovial fluid
B. cardiac valves
C. myocardium
D. vascular intima
Question 14
The bacteria involved in the production of dental caries is/are
A. Streptococcus mutans
B. S sanguis
C. Both A and B
D. Streptococcus pyogenes
Question 15
Which of the following test indicates the susceptibility to streptococcal pyrogenic exotoxin?
A. Schick test
B. Disk test
C. ASO test
D. Precipitation test
Question 16
The bacteria involved in the production of dental caries is/are
A. Streptococcus mutans
B. S sanguis
C. Both (a) and (b)
D. Streptococcus pyogenes