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1. The bacteria which is novobiocin resistant is

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

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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

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3. Which of the following Staphylococcal hemolysins does not possess leucocidal activity?

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

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4. The genus/genera that belong to the family Micrococcaceae is

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

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

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

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