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Cell Cultures and Characteristics - Section 1 Multiple Questions and Answers.
| 6. | Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni? | ||
| A. | Vacomycin | ||
| B. | Polymyxin | ||
| C. | Trimethoprim | ||
| D. | None of above | ||
| 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 | ||
| 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 | ||
| 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% | ||
| 10. | Which of the following bacteria dies quickly after drying? | ||
| A. | Treponema pallidium | ||
| B. | Mycobacterium tuberculosis | ||
| C. | Staphylococcus aureus | ||
| D. | Pseudomonas aeruginosa | ||
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