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Microbiology Practice Test: Microbiology of Domestic Water and Wastewater
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Avg score: 77% Most missed: “The coliform group of bacteria includes all the __________________ bacilli.”
Water microbiology is the study of microorganisms that live in water, such as bacteria, fungi, yeast, viruses, protozoa, and algae.  Here are some things to know about the microbiology of domestic water and wastewater: Domestic wastewater: This wastewater comes from residential places, including sinks, toilets, and laundry. It contains a range of chemicals, soaps, detergents, bacteria, and pathogenic microbes. Microorganisms in wastewater: Most bacteria in wastewater are saprophytic and harmless to humans. However, wastewater may also contain pathogenic bacteria that cause typhoid,... Show more
Microbiology Practice Test: Microbiology of Domestic Water and Wastewater
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21 Questions

1. Belt filter presses are used in which of the following process?
2. Activated sludge usually employs an aeration period of ________________
3. The coliform group of bacteria includes all the __________________ bacilli.
4. Oxidation ponds are very deep ponds.
5. Which of the following gases are produced in large amounts during sludge digestion?
6. Trickling filter is used in which of the following wastewater treatment processes?
7. The coliform group of bacteria includes all the __________________ bacilli.
8. Which of the following sewerage systems carry domestic and industrial wastewater?
9. The upper region of the trickling filter is favorable for the growth of _____________
10. Alum is used for which of the following purification process?
11. Alum is used for which of the following purification process?
12. In which of the following organism does iron secreted to form stalks or ribbons attached to the cell?
13. Coliforms are natural inhabitants of the large intestine of human and animals.
14. Trickling filter is used in which of the following wastewater treatment processes?
15. Among the following which microorganism acts as a representative of fecal streptococci group?
16. Thiobacillus can produce an acidity in the range of pH __________
17. Which of the following acts as a carbon source for Enterobacter aerogenes?
18. Which of the following sewerage systems carry domestic and industrial wastewater?
19. Which of the following is a strict anaerobe?
20. The more oxidizable organic material, the lesser the BOD.
21. Thiobacillus can produce an acidity in the range of pH __________