Q: Explain whether the MacConkey agar plate inoculated with good water would show the presence of…
A: Water contamination is the presence of unwelcome particles in the water. Water bodies may become…
Q: Why does secondary treatment of wastewater require O2?
A: Secondary treatment is a part of wastewater disposal system, where the sewage or other waste waters…
Q: What is the significance of finding coliforms in drinking water?
A: Some living organisms cannot be visible by the naked eye and only can be seen under the microscope.…
Q: In fixed-bed leaching, how it can be leached please mention one or two only.
A: Asked : Fixed-bed leaching
Q: Why do we test water for coliforms if they are not considered pathogenic?
A: Introduction Coliforms are gram-negative, non-sporulating and motile or immotile bacteria. They…
Q: How do primary and secondary wastewater treatmentmethods differ?
A: Wastewater treatment as the term suggest the removal of contaminants from the wastewater before…
Q: What is the rationale for selecting E. coli as the indicator of water potability?
A: We are all aware of the fact that , water is crucial and vital for sustainability of life on earth.…
Q: What advantages does the anammoxprocess have over classical wastewater treatments for N removal?
A: Anammox (anaerobic ammonium oxidation is a reaction that oxidizes ammonium to dinitrogen gas using…
Q: when heat treatment is used as to contril microbial growth, what is the immediate impact of this…
A: The process of killing microbes or preventing their growth is called as sterilization. Sterilization…
Q: What is demanufacturing, and why is it used for some types of waste?
A: Demanufacturing was suggested as a way to reduce the environmental footprint while maintaining the…
Q: Environmental factors that could lead to failure of water treatment plant?
A: water treatment plants are those large scale equipments which helps in clearing and sterilizing…
Q: What temperature is considered adequate for achieving sterilization of a compost pile?
A: temperature considered for achieving sterilization of a compost pile is 135-160 F. At a…
Q: What is activated sludge?
A: Activated sludge is the method which is used to stabilise the wastewater having organic Constituents…
Q: How do psychrotolerant organisms differ from psychrophilicorganisms?
A: Psychrotolerant and pychrophilic organisms are majorly Archaea and bacteria and only few eukaryotes…
Q: State the purpose and importance of each process step in wastewater treatment.
A: Wastewater treatment: It is the process of converting wastewater that is of no use into an effluent…
Q: What are some unsustainable approaches for meeting our needs for clean fresh water?
A: Sustainable water systems aim to provide clean quantity and quality of water to the rising water…
Q: Which bacterium reduces nitrates in soil to nitrogen?
A: Nitrogen is needed by the organism for producing amino acids. Atmospheric nitrogen cannot be used as…
Q: List three characteristics required of a good sewage indicator:
A: Fecal coliforms are the most widely used sewage indicator organisms. They are commonly used to…
Q: of biodegradation of organic contaminants. I
A:
Q: Why do meat packaging plants have to process/pretreat their wastewater before sending it into the…
A: Meatpacking refers to the process of turning livestock into the meat. The meat packaging plants or…
Q: What sources of microbial contamination are in nutrient agar exposed in air,water,soil and plant…
A: Sources of microbial Contamination: - AIR: - Air contains a lot of bacteria staying afloat in the…
Q: Why should caps of glassware be loosened first before sterilization? [Answer in not more than 2…
A: Sterilization is defined as the process which removes , kills or deactivates all forms of life (in…
Q: What happens when domestic sewage mixes with river water?
A: Pollution is the degradation of any natural resource mainly due to human activities or other rare…
Q: What is the role of nitrate in microbial metabloism?
A: Nitrogen-fixing bacteria, microorganisms capable of transforming atmospheric nitrogen into fixed…
Q: Explain the points at which and how microorganisms contribute to the spoilage of coconut water?
A: Coconut water within the nut is sterile, until it exposed to the air, or to the external…
Q: Leachate production is what
A: A leachate is any liquid that, extracts soluble or suspended solids from the material through which…
Q: Why must you first clean debris from items before beginning disinfection or sterilization? (
A: Until the discovery of the microbes by the famous scientist Louis Pasteur, one of the signs of the…
Q: household contaminated wastewater purification
A: Microorganisms from sewage can cause human disease, but can also negatively affect important…
Q: What is a pure culture and why is obtaining one useful inmicrobial ecology?
A: Microbes are living organisms. They are ubiquitous. They cannot be seen by the naked eyes. In…
Q: how do microorganisms contribute to spoilage of coconut water
A: coconut water is a highly nutritive media having different components like carbohydrates , lipids ,…
Q: What is the optimum growth temperature for most human pathogens? Explain.
A: Bacterial growth is the division of one bacterium into two daughter cells in a process called binary…
Q: What does domestic waste constitutes?
A: Wastes are unwanted or unusable materials. Waste is any substance which is discarded after primary…
Q: What types of bacteria grow on nutrient agar?
A: Nutrient agar is a nutrient-rich medium that allows the growth of a wide range of organisms in the…
Q: Why are dilute culture media used for isolating pelagicmicrobes?
A: Pelagic habits are abundant in microbes. The diversity spans domains, however it is usually seen…
Q: Why is reduction of BOD in wastewater a primary goal ofwastewater treatment? What are the…
A: Wastewater treatment is carried out to reduce organic and inorganic compounds in the wastewater to a…
Q: What physical and chemical conditions are necessaryfor the rapid microbial degradation of oil in…
A: Biodegradation refers to the transformation of complex organic compounds by bacteria, fungi, and…
Q: Role of microbes in sewage and domestic waste water treatment ?
A: Microbes play an important role in sewage and domestic water treatment. The primary effluent ,passed…
Q: Describe the procedure involved in Sewage treatment?
A: Sewage treatment is the process of removing contaminants from wastewater and household sewage water.…
Q: How is it possible for both aerobes and obligate anaerobes tocoexist in the same biofilm?
A: Biofilms are masses of one or more types of microorganisms that irreversibly attach and grow on many…
Q: What specific purposes do sedimentation, coagulation,filtration, and disinfection accomplish in the…
A: Earth is so far the only planet that has the capability to sustain life on it. There are many…
Q: What is the difference between settling and sedimentation process in water treatment plant
A: Water treatment is defined as any process that will improve the water quality by making it…
Q: What are the factors that influence the efficiency of chemical sterilization?
A: Chemical Sterilization is the process of removal of microorganisms by the use of chemical…
Q: What treatment process could be used to remove any impurities from Hurricane Katrina?
A: Hurricane Katrina has been called the most devastating natural environmental calamity. The…
Q: What method can be used to achieve sterilization?
A: It is required to describe the method to be used to achieve sterilization.
When would tertiary treatment of wastewater be necessary ?
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