explain concentration of oxygen in the media when there is oxygen everywhere in the environment/surrounding atmosphere. reducing

Q: Describe the sources and name examples of hazardousmaterials in the environment.

A: Hazards are regarded as the adverse activities that occur in the ecosystem. Human events or natural…

Q: With the aid of a labelled diagram, outline the principle of the oil immersion objective

A: A microscope is an intrument which helps to enlarge microscopic images which are not visible to…

Q: What causes pollution?

A: Pollution is introduction of any substance which causes undesirable disturbances in the environment/…

Q: In sterilization, which among the supplies, instruments, glassware, etc. under the list of materials…

A: Hot air oven= powder, oil, liquid paraffin, glass wares, metal sharps  Autoclave= media, reagents,…

Q: UV radiation forms and de-forms ozone naturally. a. true b. false

A: Ozone is a gas found in the atmosphere consisting of three oxygen atoms. It is layer in the earth's…

Q: The most sensitive and reliable instrument for detectingand characterizing flammable residues is the…

A: Flammable liquids can be easily ignited in the air at ambient temperature. These are ethanol,…

Q: Differentiate among the ingredients and functions of enriched, selective, and differential media.

A: It is important to grow microorganisms outside the body for the study of their characteristics and…

Q: Using pasteurization techniques as a model, compare the TDTs and explain the relationships between…

A: Microbiology is the branch of biology that deals with study of organisms that are too small to be…

Q: Why is ionizing radiation more effective than UV radiation forsterilization of food products?

A: Ionizing radiations are the radiations that are released by the atoms that travels in the form of…

Q: Analyze chemically defined and complex media, describing theirbasic differences and content.

A: Media is used in the microbiology lab to culture microbes.

Q: When a thermometer is placed in a substance, what is it actually measuring? density heat pressure…

A: Different instruments are used to measure volume, density, heat, pressure, and temperature, etc.…

Q: In laser production process Spontaneous Emission includes: Absorbing energy O Emitting energy Roth

A: In laser processes, the energy of a laser beam interacts with a material to transform it in some…

Q: Describe live media and the circumstances that require it.

A: Microorganisms are isolated and cultured for various reasons. The role of media in the culture,…

Q: Explain the principle involved in O.D determination of microbial populations using the…

A: A spectrophotometer is an instrument that can determine the concentration of a compound or solution…

Q: According to the EPA, what are the three most dangerous indoor air pollutants? Tobacco smoke,…

A: Poisonous, or hazardous, air pollutants cause or are associated with causing cancer, birth defects,…

Q: Discuss three physical states of media and when each is used

A: The food substance or substances required for growing micro-organisms in vitro is called the culture…

Q: Give a general definition of industrial air pollution?

A: Pollution is the presentation of contaminants into the common habitat that cause unfriendly change.…

Q: Four process that  may be used to refine oil

A: Refining of oil is an industrial process that involves the conversion of crude oil into useful…

Q: Match the items given in column A and B: Column A Column B (a) Catalytic converter (i) Particulate…

A: Pollution caused by various human activities is a major concern. Pollution has adverse effects on…

Q: What molecule is produced by the chemical packet in the anaerobe jar that is responsible for…

A: Introduction The existence of free oxygen (O2) distinguishes an aerobic environment from an…

Q: Describe the main purposes of media, and compare the three categories based on physical state,…

A: Media in microbiology refers to the solution which has an adequate amount of nutrients and physical…

Q: Explain the beneficial uses of radioisotopes.

A: Radioisotopes are radioactive isotopes of any element. We can also define them as atoms with…

Q: What are distortion product otoacoustic emissions

A: Distortion product otoacoustic emissions (DPOAEs) are effectively and quickly recorded in infants…

Q: Give the importance of using cedar wood oil with the oil immersion objective

A: Light microscope is used to magnify biological specimen and it use two types of lenses that are…

Q: Which type of equipment contains a HEPA filter that only removes suspended materials from exhausted…

A: Asked : Equipment which contains a HEPA filter that only removes suspended materials from exhausted…

Q: Define differential media and selective media.

A: A growth medium or culture medium can be defined as the solid, liquid, or semi-solid substance…

Q: FOR DIRECT MEASUREMENT OF THE RELATIVE AIR HUMIDITY USE THE APPLIANCE 1. psychrometer 2. barometer…

A: The quantity of water vapor in the air is known as humidity. The humidity would be high in case of…

Q: The absorbance of light is measured with a spectrophotometer and the result can be used to estimate…

A: the absorbance of light is measured with a  spectrophotometer and result can be used to estimate the…

Q: Electrostatic precipitators or wet scrubbers can be used to reduce pollution. O particulate matter…

A: Pollution caused by industrial activities and combustion is of great concern Various abatement…

Q: Compare and contrast the action of alcohols, halogens, and ­oxidizing agents in controlling…

A: Alcohol is used as disinfectant for centuries.Alcohol is extremely effective in fight against single…

Q: Name the various sources of air pollution.

A: Air pollution is the contamination of air by various pollutants. Pollutants can be differentiated…

Q: Match the items given in column A and B:Column A                                 Column B(a)…

A: Pollution is the introduction of harmful materials in sufficient concentration levels into the…

Q: What is the role of glucose, which is added to a minimal medium? Use the appropriate vocabulary

A: The growth media, which is generally used to grow wild-type microorganisms by providing minimum…

Q: medium in which all the components are known is: A. Minimal medium B. Synthetic or defined medium…

A: Microorganisms are small, unicellular, and microscopic organisms. It is important to grow…

Q: Oxygen is always beneficial to micro-organisms. Discuss this statement in the context of factors…

A: Micro organisms are the microscopic organisms that are present on the earth in abundance. These…

Q: how are microorganisms are involved in the production of lagers? include the process of…

A: Lager is a kind of beer which has been blended and molded at low temperature. Lagers can be pale,…

Q: Define what is a minimal medium and the nature of its components.

A: A culture medium can be defined as solid,liquid or semi solid medium which helps in support of the…

Q: Sweet gas Flue gas Chemicals Oxidizer vessel Absorber Sour gas Air Sulfur filter Circulating Air…

A: The given image is the process of gas sweetening to remove the contaminants so that the gas is…

Q: ite a short note on "Need of Medium Optimization".

A: A medium is an enriched growth requirement which is needed for the optimum and proper growth  of…

Q: Explain how an endospore-producing organism is suitable for use in bioterrorism.

A: Bioterrorism is the use of microorganisms and deadly pathogens with unethical intentions and cause…

Q: Define the term sterile and explain why sterile instruments and media are necessary to be used in…

A: Microbes or microorganisms are very very small organisms that are visible under the microscope. They…

Q: What does photochemical smog pollution not contain?

A: Environmental pollution refers to contamination of the physical and biological components that…

Q: decontaminate a waste generated from a food chemical industry and a laboratory that handles…

A: WASTE MANAGEMENT PLAN-It involves the collection and to transport as well as to process the waste…

Q: actors that affects the efficiency of the disinfectant

A: Disinfection is a kind of process of elimination of pathogens or microorganisms and decreasing them…

Q: Use of CFC is banned in many countries.Give scientific reasons.

A: CFC stands for chlorofluorocarbons and these hydrocarbons are widely used as refrigerants, blowing…

Q: Give the importance of heating as a laboratory technique

A: Heating is an important laboratory technique because it can be used to accelerate chemical…

Q: Provide brief definitions for defined media and complex media.

A: It is vital to establish a suitable biochemical and biophysical environment for any bacteria to be…