household contaminated wastewater purification
Q: List two methods of high level disinfection.
A: The major difference between sterilization and disinfection is that sterilization involves the…
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: What is the minimal concentration (MIC) for disinfectant number 1? Just write the corresponding…
A: Minimum Inhibitory Concentration is defined as the least concentration of a substance that does not…
Q: Micro-organism play an important role for the biological treatment of sewage.justify
A: we know that large quantities of waste water are generated everyday in cities and towns. A major…
Q: Culture media Answer 1 Answer 3 Answer 5 Answer 7 Answer 0 such as support growth of Answer 2…
A: Culture media Culture media as a mixture of different substances that support growth for…
Q: Clearly describe the application of microbes in wastewater treatment, the Food industry, and brewery…
A: Microorganisms are small organisms that are usually not visible through the naked eyes. Other than…
Q: The most efficient disinfectant chlorine, discuss why? ( subject: medical microbiology lab )
A: Step 1 Disinfectants are chemical agents that are applied to abiotic objects to destroy or…
Q: egorise the microbial growth into four phases. In your own words, briefly describe eac
A: An organism that is microscopic is known as the microorganisms. These are tiny , small organisms…
Q: Physical methods of sterilization include :
A: disclaimer: since you have posted multiple questions we have answered the first question for you. if…
Q: The inhibition of bacterial growth and reproduction without necessarily destroying the organisms is…
A: The growth and reproduction of bacteria depends on saveral factors. For the inhibition of the growth…
Q: Microorganisms are used in the nitrogen removal process. Discuss why it isn't part of the secondary…
A: The aerobic self purification process that involves when the organic matter is added to the lakes…
Q: 8- The following are methods of sterilization EXCEPT: O c) Sterilization by filters O b) Autoclaving…
A: Introduction: A combination of heat, chemicals, irradiation, high pressure, and filtration can be…
Q: Why must you exercise caution when handling raw sewagesamples?
A: Answer: Introduction: Raw sewage means a water comprising excrement, wastes products like plastic,…
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: Salmonella typhi is a facultative anaerobe. Explain comprehensively.
A: The group Enterobacteriaceae includes the genus Salmonella, which consists of microorganisms linked…
Q: BACTERICIDE LAMPS OF A CLOSED TYPE SHOULD BE INSTALLED IN 1. premises for pharmacy visitors 2.…
A: Introduction UVGI (ultraviolet germicidal irradiation) is a disinfection technology that kills or…
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: 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: A microbe that does not require oxygen for metabolism but will use it ifavailable is a/ana.…
A: Ans: The microorganisms are classified based on various criteria such as growth at specific…
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: Colonies of Bacillus cereus on (A) agar plate
A: Bacillus cereus it is gram positive, rod shaped , facultative anaerobic, spore forming, motile and…
Q: MacConkey Agar Lactose fermenter or non-fermenter: ___________________________ Gram reaction based…
A: Alfred Theodore MacConkey invented MacConkey agar (MAC) in the twentieth century, which was one of…
Q: The spoiled bottle of wine that was stored at standard room temperature for several months…
A: An acidophile is an organism that can or must live in an acidic environment. An acidic environment…
Q: How can I tell if there is contamination?
A: RFLP is a type of DNA polymorphism that has DNA sequence variations that can be recognized by…
Q: Name the thing which is not used for disinfection of drinking water.
A: Water from natural water bodies contains various disease-causing germs or pathogens which can cause…
Q: 2. Mechanical disinfection is typically more effective than manual techniques.
A: Disinfection is the removal, deactivation, and killing of microorganisms. Deactivation and…
Q: not test water samples directly for Salmonella typhosa or other pathogens
A: There are serious limitations to the use of direct isolation of specific pathogenic bacteria for…
Q: Oven sterilization of aqueous culture medium. Effect: Rationale:
A: Oven sterilization utilizes dry heat of about 160 or 170 degrees celsius for one hour or 30 minutes,…
Q: Which process gets rid of the most germs on a surface? decontamination disinfection sterilization
A: Removal of microorganisms from surfaces such as benchtops in a microbiology laboratory and in…
Q: Differentiate between a pure culture, subculture, mixed culture,and contaminated culture. Define…
A: The microorganisms are isolated as pure cultures by being inoculated in a container of medium in…
Q: Which of the following best descrives UTI agar? Selective growth media; Differential Growth Media;…
A: A growth or culture medium is a liquid, solid or semi-solid medium, which is designed in a way that…
Q: Why is heat a highly effective sterilizing agent? (Answer in not more than 2 sentences)
A: Introduction Sterilization Refers To Any Method That Is Able To Either Removes, Kills, Or…
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: 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: List one method of disinfection, and one method of sterilization. Label which is which.
A: Disinfection is a process by which most of the harmful microbes are killed or inactivated. However…
Q: when skin is cleaned with isopropyl alcohol prior to administering a shot? antisepsis disinfecting…
A: Microbial contamination is a very commonly observed event at healthcare facilities.…
Q: Human pathogens are generally which type of microbe?A. barophileB. halophileC. mesophileD.…
A: The optimum temperature is the temperature at which an organism has maximum growth and rate of…
Q: ow can one be sure that the culture media are sterile or free from contamination
A: Sterility, often known as sterility, is the state of being free of all contaminants and…
Q: FILTERING IS FILTERING 1. physical method of disinfection 2. the physical method of water…
A: Q. FILTERING IS FILTERING 1. physical method of disinfection 2. the physical method of water…
Q: Identify the microorganism/ group of microorganisms involved in the spoilage of Canned curdled…
A: Evaporated milk Evaporated milk known as unsweetened Condensed milk and it is a shelf-stable canned…
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: Agar is added to media.
A: Agar is obtained from algae. It is composed of agarose (polysaccharide) and agaropectin. It is a…
Q: Why don’t health departments routinely test for pathogens instead of using a sewage indicator?
A: The most widely used sewage indicator organisms are fecal coliforms. This is because these microbes…
Q: Wastewater from a local hospital were being treated in a general wastewater treatment plant (WWTP)…
A: Waste management is an important element of environmental protection. Its purpose is to provide…
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…
Q: spoilage microorganisms associated with: 1. shrimp 2. coconut water 3. green chili
A: Food spoilage is a metabolic process which causes food to be undesirable or unacceptable for…
Q: List 2 non-chemical means of disinfection.
A: Disinfection refers to the process by which most pathogenic disease-causing microorganisms, except…
Q: After the mordant has been added, Gram-positive organisms are stained __________ and Gram-negative…
A: Gram staining is a staining technique used to differentiate two large groups of bacteria based on…
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- ...means degrading/removing environmental poisons or pollutants by microorganisms such as fungiFiltration to remove protozoa occurs in: Question 5 options: A) anaerobic sludge digestion. B) primary sewage treatment. C) secondary sewage treatment. D) water treatment.Control of Ocean plastic pollution