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- Question
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
- Correct Answer
- The use of 25-40°C temperatures destroys potentially harmful bacteria
- 1. 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
- 2. Activated sludge contains large number of
Options- A. bacteria
- B. yeasts and molds
- C. protozoa
- D. all of these Discuss
- 3. 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
- 4. Water testing relies on the detection of certain indicator organisms known as
Options- A. acid-fast bacteria
- B. bacteroids
- C. coliforms
- D. dinoflagellates Discuss
- 5. The concept of putting microbes to help clean up the environment is called
Options- A. pasteurization
- B. bioremediation
- C. fermentation
- D. biolistics Discuss
- 6. Biogas production is
Options- A. a temperature-dependent process
- B. a temperature independent process
- C. an oxygen dependent process
- D. none of the above Discuss
- 7. Treatment of municipal water supplies is based upon
Options- A. coagulation, filtration, chlorination
- B. chlorination, filtration, coagulation
- C. filtration, coagulation, chlorination
- D. coagulation, chlorination, filtration Discuss
- 8. Iron bacteria can produce
Options- A. slime
- B. undesirable odors and tastes
- C. both (a) and (b)
- D. extreme acidity Discuss
- 9. Which is not a form of biomass energy?
Options- A. Incineration of solid waste
- B. Composting to produce methane
- C. Ethanol and methanol production for auto fuel
- D. Photovoltaic production of hydrogen Discuss
- 10. A dense bacterial population caught in a tangled web of fibers sticking to a surface describes
Options- A. coagulation
- B. a biodisc
- C. a biofilm
- D. the membrane filter technique Discuss
Microbiology of Waste Water problems
Search Results
Correct Answer: Worms
Correct Answer: all of these
Correct Answer: bioremediation
Correct Answer: coliforms
Correct Answer: bioremediation
Correct Answer: a temperature-dependent process
Correct Answer: coagulation, filtration, chlorination
Correct Answer: both (a) and (b)
Correct Answer: Photovoltaic production of hydrogen
Correct Answer: a biofilm
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