Microbiology - Microbiology of Waste Water
Exercise :: Microbiology of Waste Water - Section 1
- Microbiology of Waste Water - Section 1
| 21. |
The acetate-utilizing methanogens are responsible for |
| A. |
20% of methane produced in a biogas reactor | | B. |
50% of methane produced in a biogas reactor | | C. |
70% of methane produced in a biogas reactor | | D. |
85% of methane produced in a biogas reactor |
Answer: Option C
Explanation:
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| 22. |
Which of the following is responsible for the corrosion problem? |
| A. |
Iron bacteria | | B. |
Sulfur bacteria | | C. |
Slime forming bacteria | | D. |
All of these |
Answer: Option B
Explanation:
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| 23. |
Water testing relies on the detection of certain indicator organisms known as |
| A. |
acid-fast bacteria | | B. |
bacteroids | | C. |
coliforms | | D. |
dinoflagellates |
Answer: Option C
Explanation:
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| 24. |
The death of a river by environmental pollutants ultimately results from |
| A. |
the overpopulation of algae | | B. |
the overabundance of toxic proteins | | C. |
the depletion of oxygen | | D. |
the buildup of sediment on the river bottom |
Answer: Option C
Explanation:
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