| 1. | For the examination of microbial cells we require the use of? |
| a. | High-power microscope |
| b. | Low-power microscope |
| c. | High-power microscope at a magnification of about 1,000 diameters |
| d. | Low-power microscope at a magnification of about 1,000 diameters |
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Answer: (c).High-power microscope at a magnification of about 1,000 diameters
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| 2. | Lipopolysaccharide in cell walls is characteristic of? |
| a. | Gram-positive bacteria |
| b. | Gram-negative bacteria |
| c. | Fungi |
| d. | Algae |
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Answer: (b).Gram-negative bacteria
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| 3. | Which microorganism(s) among the following perform photosynthesis by utilizing light? |
| a. | Cyanobacteria |
| b. | Fungi |
| c. | Viruses |
| d. | Cyanobacteria, Fungi and Viruses |
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Answer: (a).Cyanobacteria
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| 4. | Growth of microbes in a solid media is identified by the formation of? |
| a. | pellicle at the top of media |
| b. | colonies |
| c. | sediment at the bottom |
| d. | turbidity |
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Answer: (b).colonies
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| 5. | Which among the following are produced by microorganisms? |
| a. | Fermented dairy products |
| b. | Breads |
| c. | Alcoholic beverages |
| d. | Fermented dairy products, breads and alcoholic beverages |
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Answer: (d).Fermented dairy products, breads and alcoholic beverages
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