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- Question
The concept of putting microbes to help clean up the environment is called
Options- A. pasteurization
- B. bioremediation
- C. fermentation
- D. biolistics
- Correct Answer
- bioremediation
- 1. 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
- 2. 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
- 3. 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 Discuss
- 4. 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
- 5. 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
- 6. Water testing relies on the detection of certain indicator organisms known as
Options- A. acid-fast bacteria
- B. bacteroids
- C. coliforms
- D. dinoflagellates Discuss
- 7. 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
- 8. Activated sludge contains large number of
Options- A. bacteria
- B. yeasts and molds
- C. protozoa
- D. all of these Discuss
- 9. Composting is one of the oldest forms of disposal of waste. It is the natural process of decomposition of organic waste that yields manure or compost. One of the following is added to the compost to get better results?
Options- A. Ants
- B. Bugs
- C. Snakes
- D. Worms Discuss
- 10. Which of the following statement is not correct?
Options- A. The use of 25-40°C temperatures allows the biogas production to be more stable
- B. The use of 25-40°C temperatures does not destroy potentially harmful bacteria
- C. The use of 25-40°C temperatures destroys potentially harmful bacteria
- D. None of the above Discuss
Microbiology of Waste Water problems
Search Results
Correct Answer: remove additional objectionable substances
Correct Answer: the depletion of oxygen
Correct Answer: 70% of methane produced in a biogas reactor
Correct Answer: zooglocal film
Correct Answer: Solid sewers
Correct Answer: coliforms
Correct Answer: bioremediation
Correct Answer: all of these
Correct Answer: Worms
Correct Answer: The use of 25-40°C temperatures destroys potentially harmful bacteria
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