| 31. | Surface texture of strains are related to virulence. |
| a. | True |
| b. | False |
| c. | May be |
| d. | Can't say |
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Answer: (a).True
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| 32. | What is the color of colonies of Staphylococcus aureus? |
| a. | Pink |
| b. | Red |
| c. | Violet |
| d. | Gold |
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Answer: (d).Gold
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| 33. | Pyoverdin is which type of pigment? |
| a. | water-insoluble pigment |
| b. | water-soluble pigment |
| c. | fluorescent pigment |
| d. | sparingly water-soluble pigment |
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Answer: (c).fluorescent pigment
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| 34. | Growth in broth cultures occurs mainly in the form of __________ |
| a. | slightly turbid |
| b. | heavy surface pellicle |
| c. | sediment |
| d. | viscous |
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Answer: (b).heavy surface pellicle
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| 35. | Which bacteria among the following produces a water-insoluble pigment? |
| a. | Mycobacterium kansasii |
| b. | Pseudomonas aeruginosa |
| c. | Chromobacterium violaceum |
| d. | Pseudomonas chlororaphis |
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Answer: (c).Chromobacterium violaceum
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