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
The bacteria which is novobiocin resistant is
A. Staphylococcus aureus
B. S epidermidis
C. S saprophyticus
D. None of these
Question 2
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
Question 3
Which of the following Staphylococcal haemolysins does not possess leucocidal activity?
A. α haemolysin
B. γ haemolysin
C. β haemolysin
D. δ haemolysin
Question 4
The genus/genera that belongs to the family Micrococcaceae is
A. Micrococcus
B. Staphylococcus
C. Planococcus
D. All of the above
Question 5
Identify the bacteria which is oxidase-negative and catalase-positive?
A. Staphylococcus
B. Streptococcus
C. Neisseria
D. Pseudomonas
Question 6
Coagulase-reacting factor is necessary for
A. slide coagulase test
B. tube coagulase test
C. precipitation test
D. None of these
Question 7
Bacteria which produces coagulase is
A. S epidermidis
B. S saprophyticus
C. S aureus
D. S hominis
Question 8
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
Question 9
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
Question 10
The toxin of Staphylococcus aureus that may result into scalded skin syndrome is
A. Enterotoxin
B. Leucocidin
C. Epidermolytic toxin
D. Haemolysin
Question 11
The bacteria which can ferment mannitol anaerobically is
A. Staphylococcus aureus
B. S epidermidis
C. S saprophyticus
D. None of these
Question 12
Protein A is found in cell wall of
A. coagulase-negative staphylococci
B. Staphylococcus aureus
C. Micrococci
D. None of these
Question 13
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
Question 14
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
Question 15
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
Question 16
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
Question 17
The genus/genera that belongs to the family Micrococcaceae is
A. Micrococcus
B. Staphylococcus
C. Planococcus
D. All of these