Microbiology of Waste Water Questions

• The biogas production process takes place at the temperature
• Which of the following is not employed as an oxidation method?
• Oxidation ponds are shallow ponds, generally designed at the depth of
• Biomass
• The magnitude of BOD of wastewater is related to
• Which of the following is responsible for the corrosion problem?
• Some cyanobacteria produce potent neurotoxins that, if ingested, will kill humans. These cyanobacteria are most likely to contaminate
• What is an anaerobic digester?
• Which of the following is generally not referred to the sewerage system?
• The filtering medium of trickling filters is coated with microbial flora, known as
• The acetate-utilizing methanogens are responsible for
• The death of a river by environmental pollutants ultimately results from
• Advanced treatment is generally used to treat waste water to
• The concept of putting microbes to help clean up the environment is called
• Water testing relies on the detection of certain indicator organisms known as
• The use of microbes to break down synthetic waste products such as polychlorinated biphenyls is called
• Activated sludge contains large number of
• 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?
• Which of the following statement is not correct?
• Biogas production is