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Streptococcus MCQ Questions & Answers

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 bacteria involved in the production of dental caries is/are

A. Streptococcus mutans
B. S sanguis
C. Both A and B
D. Streptococcus pyogenes

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Question 2

Which of the following test indicates the susceptibility to streptococcal pyrogenic exotoxin?

A. Schick test
B. Disk test
C. ASO test
D. Precipitation test

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Question 3

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

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Question 4

Which of the following cross-reacts with cell wall carbohydrate of Streptococcus pyogenes?

A. Cardiac valves
B. Synovial fluid
C. Myocardium
D. Vascular intima

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Question 5

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

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Question 6

Streptolysin O is

A. antigenic
B. oxygen-labile
C. heat-labile
D. All of the above

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Question 7

Cell wall protein of Streptococcus pyogenes crossreacts with human

A. synovial fluid
B. cardiac valves
C. myocardium
D. vascular intima

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Question 8

Individuals suffering from primary atypical pneumonia have agglutinins to

A. Streptococcus MG
B. S avium
C. S mutans
D. Enterococcus faecalis

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Question 9

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

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Question 10

The bacterial sore throat is caused by

A. Staphylococcus aureus
B. Haemophilus spp
C. Streptococcus pyogenes
D. Mycoplasma pneumoniae

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Question 11

Crystal violet blood agar is a selective medium for

A. β-haemolytic streptococci
B. Staphylococcus aureus
C. Corynebacterium diphtheriae
D. Mycobacterium tuberculosis

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Question 12

Cell wall protein of Streptococcus pyogenes crossreacts with human

A. synovial fluid
B. cardiac valves
C. myocardium
D. vascular intima

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Question 13

Streptolysin O is

A. antigenic
B. oxygen-labile
C. heat-labile
D. all of these

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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

View Answer

Question 15

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

View Answer

Question 16

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

View Answer