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Growth and Nutrition of Bacteria - Section 3 Multiple Questions and Answers.
| 1. | Postgates assay technique is useful in determining if a cell is viable even though it is | ||
| A. | incapable of cell division | ||
| B. | too small to see | ||
| C. | an obligate aerobe | ||
| D. | a thermophile | ||
| 2. | What are the extrinsic factors for the microbial growth? | ||
| A. | humidity | ||
| B. | storage temperature | ||
| C. | composition of gas phase | ||
| D. | All of Above | ||
| 3. | Quantitative measurement of bacterial growth can be carried out by measuring | ||
| A. | cell count | ||
| B. | cell mass | ||
| C. | cell activity | ||
| D. | All of Above | ||
| 5. | The combination of low levels of NaCl, NaNO3 (sodium nitrate), and slightly acid pH can prevent multiplication and toxin formation of | ||
| A. | Salmonella | ||
| B. | S. aureus | ||
| C. | C. botulinum | ||
| D. | All of Above | ||
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