6.
Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni?
A. Vacomycin
B. Polymyxin
C. Trimethoprim
D. None of these
Answer & Explanation
Answer: Option D
Explanation:
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7.
To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at a pH of
A. 8.5 B. 8.90
C. 6.79 D. 3.5
Answer & Explanation
Answer: Option A
Explanation:
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8.
For the selection of endospore-forming bacteria, a mixed culture can be heated at
A. 80°C for 10 minutes
B. 70°C for 10 minutes
C. 60°C for 10 minutes
D. 90°C for 10 minutes
Answer & Explanation
Answer: Option A
Explanation:
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9.
The concentration of agar to obtain semi solid media is
A. 1.5-20%
B. 0.5% or less
C. >10%
D. >10%but<20%
Answer & Explanation
Answer: Option B
Explanation:
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10.
Which of the following bacteria dies quickly after drying?
A. Treponema pallidium
B. Mycobacterium tuberculosis
C. Staphylococcus aureus
D. Pseudomonas aeruginosa
Answer & Explanation
Answer: Option A
Explanation:
No answer description available for this question.