TRANSCRIPTION AND REGULATION QUIZ

Bacteria which produces coagulase is

S epidermidis

S hominis

S aureus

S saprophyticus

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Staphylococcus saprophyticus

Proteus mirabilis

Pseudomonas aeruginosa

Klebsiella pneumoniae

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Pseudomonas

Streptococcus

Neisseria

Staphylococcus

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which is novobiocin resistant is

None of these

S saprophyticus

Staphylococcus aureus

S epidermidis

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which can ferment mannitol anaerobically is

S epidermidis

S saprophyticus

None of these

Staphylococcus aureus

TRUE ANSWER : ?
YOUR ANSWER : ?

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

α haemolysin

γ haemolysin

β haemolysin

δ haemolysin

TRUE ANSWER : ?
YOUR ANSWER : ?

Coagulase-reacting factor is necessary for

none of these

precipitation test

tube coagulase test

slide coagulase test

TRUE ANSWER : ?
YOUR ANSWER : ?

The genus/genera that belongs to the family Micrococcaceae is

All of these

Planococcus

Staphylococcus

Micrococcus

TRUE ANSWER : ?
YOUR ANSWER : ?

Protein A is found in cell wall of

Staphylococcus aureus

coagulase-negative staphylococci

Micrococci

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Epidermolytic toxin

Haemolysin

Leucocidin

Enterotoxin

TRUE ANSWER : ?
YOUR ANSWER : ?

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