Q: Which of the following is NOT a chemical method of microbial control? a) refrigeration b) ethyl…
A: In order to stop the spread of infections and diseases, microbes must be under control. Thereby…
Q: As a microbiology student, how can you prevent or control coliform contamination in drinking water…
A: Coliforms are found in feces and warm-blooded animals and humans. They are pathogenic when found in…
Q: please write an introduction on the effects of ph on Microbial Growth
A: pH is defined as a negative logarithm of hydrogen ion concentration.For the proper growth of…
Q: The activated sludge process was developed from empirical knowledge and is now widely used for…
A: Activated sludge-The activated sludge process is a type of wastewater treatment process for treating…
Q: Which of the following is not a matching pair?a) Potable water—presence of pathogensb) High BOD—high…
A: Filamentous bulking refers to the uncontrolled growth of filamentous bacteria. Primary treatment…
Q: How can you help in reducing microbial hazards in bodies of water in your own community?
A: Microbes are unicellular organisms that cannot be seen through naked eyes. These organisms are also…
Q: An organism that thrives in highly saline (salt rich) environment would be considered a:
A: Some primitive microorganisms are defined by their habitats, for example methanogens can release…
Q: Denitrifying bacteriaa. convert ammonia to nitrate.b. convert nitrate to ammonia.c. convert N2 to…
A: Answer is d.) convert nitrate to N2.
Q: Why canal/pond water supports growth and development of microbes?
A: Introduction Habitat is referred to the place where any species resides. This can be any…
Q: What are the various constituents of domestic sewage? Discuss theeffects of sewage discharge on a…
A: Domestic sewage is characterized by waste water that discharged from the residential areas.
Q: Describe the three stages of sewage treatment.
A: Sewage water is the wastewater produced after the household uses, industrial uses, and purposes. So,…
Q: Why is it important to become familiar with the microbiology laboratory's apparatus and equipment?
A: You should always know your lab equipment well before you do any type of experiment because without…
Q: Which of the following control achieves destruction of all forms of life? O a. Disinfection O b.…
A: Life exists in several forms ranging from the unicellular prokaryotes like the single celled…
Q: Are coliform bacteria dangerous in the water?
A: Coliforms are bacteria that are always present in the digestive tracts of animals, including humans,…
Q: MSA/mannitol salt agar plate is selective because: O it allows only gram positive bacteria to grow O…
A: Mannitol salt agar(MSA) It is a selective medium used for the isolation, enumeration and…
Q: Why is heat an effective sterilizing agent?
A: Heat Energy : It is a form of energy which takes place by the movement of the minute particles…
Q: Write down two differences between bioaccumulation and Efflux pump mediated heavy metal removal by…
A: Metals that are relatively dense are heavy metals and even the presence of the slightest…
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 is a disease and why is it an important issue in aquaculture?
A: Introduction Aquaculture:- Aquaculture is the farming of aquatic animals or plants, including…
Q: Describe how bacteria are used in sewage treatment.
A: The sewage is that is produced in huge quantities in human settlements like the cities are a huge…
Q: Make a unique answer: Describe the methods for identifying and quantifying microbial contaminants in…
A: The majority of techniques for determining the presence of microorganisms in water rely on…
Q: What methods or methods do you think are most appropriate when looking at eutrophication solutions?…
A: Erosion and leaching from fertilized agricultural areas, and sewage from cities and industrial…
Q: Which of the following is correct about biofilms? O 1) They are comprised only of psychrophiles. O…
A: Biofilms are collective group of organisms that grow together on different surfaces. Bacteria,…
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: Which of the following diseases is/are associated with "Biofilms'
A: Biofilm can be defined as a polymer encased community of microbes(bacteria) that accumulates at a…
Q: variation in generation time exist within a single microbial species
A: Variation in generation time exist due to in enviroment the otimal conditions vary between species .…
Q: What is the value of monitoring changes in microbial abundance and diversity as a function of varied…
A: Appropriate biochemical and biophysical environment conditions are needed for growth of a microbes.…
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: Leachate production is what
A: A leachate is any liquid that, extracts soluble or suspended solids from the material through which…
Q: When would tertiary treatment of wastewater be necessary ?
A: Water is the important natural resources.Water treatment is done in order to reuse the water again…
Q: microbial motility.
A: Motility test is used to determine if organisms are motile or not. It is the ability of an organism…
Q: Do all the microbes are cultivable in lab? Explain different techniques to study the microbial…
A: Microorganism: These are too small organism which is impossible to see by naked eyes. They exist in…
Q: household contaminated wastewater purification
A: Microorganisms from sewage can cause human disease, but can also negatively affect important…
Q: Which microhabitat supports growth of halophilic microorganisms? Check all that apply. * Great Salt…
A:
Q: :In bacterial culture media, agar is used as An additional nutrient .a Buffer .b A solidifying agent…
A: Agar is used in laboratory to help, feed and grow microorganisms. It is used in laboratory for…
Q: why they use less bacteria in industrial use than recreational use of water? Industrial- (< 100 /…
A: The bacteria are often used for cleaning water. Bacteria are widely used for a number of water…
Q: Which statement among A-C is not applicable to flocculation, or floc formation, during wastewater…
A: Flocculation : Flocculation is a process in which solids form larger clusters or flocs which further…
Q: why is It not refrigerate it) while waiting days before checking for contamination? your
A: Contamination may be Bacterial contamination. Bacteria usually require to survive at room…
Q: Microaerophilic bacteria a. are killed at atmospheric oxygen b. grow well in 20% 02 incubator c.…
A: Microaerophilic bacteria are those which can survive in oxygen but they requires environment where…
Q: Escherichia coli is used as an indicator organism to determine pollution of water with what?
A: Bioindicator as the term suggests is the indicator of the quality of the environment. The function,…
Q: rganisms from deep hot subsurface under their in situ conditions when trying to culture them?…
A: EXTREMOPHILES- These are those microorganisms who lives outside the normal environment. Some…
Q: practices to control bacterial diseases in Aquaculture systems
A: Aquaculture or aquafarming is a practice in which the aquatic organisms are raised in controlled…
Q: Filtration to remove protozoa occurs in: Question 5 options: A) anaerobic sludge digestion.…
A: Protozoa are single-celled eukaryotes that are either free-living or parasitic feeding on organic…
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: Do all gram negative organisms grow on EMB? A. no B. yes
A: EMB (Eosin methylene Blue) is a kind of media that is used to differentiate lactose fermenting…
How does Efficient waste management improve aqua culture production
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- What are the possible solutions for burning of waste due to absences of garbage collector.Why does secondary treatment of wastewater require O2? A. Secondary treatment relies on anaerobic microbes to oxidize organic material. B.Secondary treatment relies on anaerobic microbes to reduce organic material. C.Secondary treatment relies on aerobic microbes to oxidize organic material. D.Photosynthetic bacteria are involved in secondary treatment and they require O2. E. Flocs require oxygen to facilitate biofilm formation.Escherichia coli is used as an indicator organism to determine pollution of water with what?
- The activated sludge process was developed from empirical knowledge and is now widely used for wastewater treatment. From a microbial point of view, i. Discuss how the ecology of different sectors of the process can be defined. ii. Design an experiment to understand how an efficient process differs from one with problems, such as sludge bulking.What is water contamination and it sourcesWhat other methods can be used to determine the microbiological quality of water? What infectious diseases can be transmitted by polluted water? Give at least 2 viral, 2 bacterial, and 2 protozoan waterborne infectious agent