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- Question
The acetate-utilizing methanogens are responsible for
Options- 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
- Correct Answer
- 70% of methane produced in a biogas reactor
- 1. The filtering medium of trickling filters is coated with microbial flora, known as
Options- A. zoological film
- B. geological film
- C. zooglocal film
- D. none of these Discuss
- 2. Which of the following is generally not referred to the sewerage system?
Options- A. Sanitary sewers
- B. Storm sewers
- C. Combined sewers
- D. Solid sewers Discuss
- 3. What is an anaerobic digester?
Options- A. New diet drink
- B. Microbe that eats hazardous waste
- C. Method to convert agricultural waste into a biogas
- D. All of the above Discuss
- 4. Some cyanobacteria produce potent neurotoxins that, if ingested, will kill humans. These cyanobacteria are most likely to contaminate
Options- A. water rich in organic carbon wastes but poor in phosphate
- B. water that are anoxic
- C. water rich in phosphate wastes but poor in organic carbon
- D. none of the above Discuss
- 5. Which of the following is responsible for the corrosion problem?
Options- A. Iron bacteria
- B. Sulfur bacteria
- C. Slime forming bacteria
- D. All of these Discuss
- 6. The death of a river by environmental pollutants ultimately results from
Options- 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 Discuss
- 7. Advanced treatment is generally used to treat waste water to
Options- A. remove coarse solids
- B. remove settleable solids
- C. reduce BOD
- D. remove additional objectionable substances Discuss
- 8. The concept of putting microbes to help clean up the environment is called
Options- A. pasteurization
- B. bioremediation
- C. fermentation
- D. biolistics Discuss
- 9. Water testing relies on the detection of certain indicator organisms known as
Options- A. acid-fast bacteria
- B. bacteroids
- C. coliforms
- D. dinoflagellates Discuss
- 10. The use of microbes to break down synthetic waste products such as polychlorinated biphenyls is called
Options- A. bioinformatics
- B. biolistics
- C. biotechnology
- D. bioremediation Discuss
Microbiology of Waste Water problems
Search Results
Correct Answer: zooglocal film
Correct Answer: Solid sewers
Correct Answer: Method to convert agricultural waste into a biogas
Correct Answer: water rich in phosphate wastes but poor in organic carbon
Correct Answer: Sulfur bacteria
Correct Answer: the depletion of oxygen
Correct Answer: remove additional objectionable substances
Correct Answer: bioremediation
Correct Answer: coliforms
Correct Answer: bioremediation
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