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Staplylococcus MCQ Questions & Answers

Staplylococcus MCQs : This section focuses on the "Staplylococcus". These Multiple Choice Questions (MCQs) should be practiced to improve the Staplylococcus skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

Which of the following Staphylococcal haemolysins does not possess leucocidal activity?

A. α haemolysin
B. γ haemolysin
C. β haemolysin
D. δ haemolysin

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Question 2

Staphylococcal food poisoning usually manifests itself following ingestion of contaminated food after

A. 2-6 hours
B. 8-12 hours
C. 12-18 hours
D. 18-36 hours

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Question 3

The bacteria which are inhibited on crystal violet (1:500,000) blood agar, is/are

A. Streptococci
B. Staphylococci
C. Both (a) and (b)
D. None of these

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Question 4

Coagulase-reacting factor is necessary for

A. slide coagulase test
B. tube coagulase test
C. precipitation test
D. None of these

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Question 5

The toxin of Staphylococcus aureus that may result into scalded skin syndrome is

A. Enterotoxin
B. Leucocidin
C. Epidermolytic toxin
D. Haemolysin

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Question 6

The bacteria which is novobiocin resistant is

A. Staphylococcus aureus
B. S epidermidis
C. S saprophyticus
D. None of these

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Question 7

The bacteria which can ferment mannitol anaerobically is

A. Staphylococcus aureus
B. S epidermidis
C. S saprophyticus
D. None of these

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Question 8

The genus/genera that belongs to the family Micrococcaceae is

A. Micrococcus
B. Staphylococcus
C. Planococcus
D. All of these

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Question 9

Bacteria which produces coagulase is

A. S epidermidis
B. S saprophyticus
C. S aureus
D. S hominis

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Question 10

Most strains of Staphylococcus aureus indicate

A. phosphatase production
B. a golden-yellow pigment
C. β-haemolysis on sheep blood agar
D. All of the above

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Question 11

Which of the following Staphylococcal haemolysins does not cause lysis of human RBCs?

A. β haemolysin
B. γ haemolysin
C. α haemolysin
D. δ haemolysin

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Question 12

The most common cause of cystitis (after Escherichia coli) in healthy sexually active women is

A. Staphylococcus saprophyticus
B. Proteus mirabilis
C. Pseudomonas aeruginosa
D. Klebsiella pneumoniae

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Question 13

Which of the following can be used to detect clumping factor?

A. tube coagulase test
B. slide coagulase test
C. precipitation test
D. None of these

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Question 14

The bacteria which are inhibited on crystal violet (1:500,000) blood agar, is/are

A. Streptococci
B. Staphylococci
C. Both A and B
D. None of these

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Question 15

The genus/genera that belongs to the family Micrococcaceae is

A. Micrococcus
B. Staphylococcus
C. Planococcus
D. All of the above

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Question 16

Identify the bacteria which is oxidase-negative and catalase-positive?

A. Staphylococcus
B. Streptococcus
C. Neisseria
D. Pseudomonas

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Question 17

Protein A is found in cell wall of

A. coagulase-negative staphylococci
B. Staphylococcus aureus
C. Micrococci
D. None of these

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