| 26. | Nichrome loop wire is used in which of the following techniques? |
| a. | Pour-plate |
| b. | Streak-plate |
| c. | Spread-plate |
| d. | Roll-tube technique |
| View Answer Report Discuss 50-50! |
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Answer: (b).Streak-plate
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| 27. | Which device is used to pick a single bacterial cell from a mixed culture? |
| a. | microscope |
| b. | micropipette |
| c. | microprobe |
| d. | micromanipulator |
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Answer: (d).micromanipulator
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| 28. | The National Collection of Type Cultures is situated in ____________ |
| a. | France |
| b. | England |
| c. | Germany |
| d. | Japan |
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Answer: (b).England
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| 29. | The American Type Culture Collection, located in Rockville, Maryland in the year 1980 has a collection of bacterial strain in what numbers? |
| a. | 10,000 |
| b. | 11,000 |
| c. | 500 |
| d. | 11,500 |
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Answer: (d).11,500
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| 30. | Which of the following has a larger diameter? |
| a. | well-separated colonies |
| b. | crowded colonies |
| c. | young colonies |
| d. | old colonies |
| View Answer Report Discuss 50-50! |
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Answer: (a).well-separated colonies
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