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The correct answer is Bioremediation. Key Points Bioremediation is a branch of biotechnology that employs the use of living organisms, like micro
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The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as:
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OPSC OAS 2018 General Studies Paper I Official
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Biomagnification Bioremediation Biomethanation Bioreduction
Answer (Detailed Solution Below)
Option 2 : Bioremediation
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The correct answer is Bioremediation.Key Points
Bioremediation is a branch of biotechnology that employs the use of living organisms, like microbes and bacteria, in the removal of contaminants, pollutants, and toxins from soil, water, and other environments.
Bioremediation is used to clean up oil spills or contaminated groundwater.Important PointsBiomagnification
Biomagnification is defined as the accumulation of a particular substance in the body of organisms at different trophic levels of a food chain.
One example of biomagnification is the accumulation of insecticide DDT which gets accumulated in zooplanktons.
Small fishes consume these zooplanktons.
BiomethanationBiomethanation is a process by which organic material is microbiologically converted under anaerobic conditions to biogas.
Three main physiological groups of microorganisms are involved: fermenting bacteria, organic acid oxidizing bacteria, and methanogenic archaea.Bioreduction
Bioreduction is a general term for reducing the number of microorganisms, or bioburden, in a product, sometimes referred to as “killing bugs.
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The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as
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The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known asA
The use of microorganism metabolism to remove pollutants class 12 biology CBSE
The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as a Biomagnification b Bioremediation c Biomethanation d BioreductionThe use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as
(b) Bioremediation (c) Biomethanation (d) Bioreduction Answer Verified 166.2k+ viewsHint: Water pollution caused by a number of pollutants, one such pollutant is an oil spill which is a discharge of petroleums in water bodies. Microorganisms such as bacteria and fungi have the physiological ability to detoxify the toxic pollutants used to remove the toxicity of the water.Complete answer:
Pollutants such as oil spill is a discharge of petroleum from oil refineries, extraction wells, during loading and unloading of tankers, etc in water bodies such as oceans, estuaries, and rivers which leads to death of aquatic living organisms and damage of marine biodiversity.
Bioremediation is a technique where microorganisms such as bacteria and fungi are used to remove toxic chemicals from water bodies. Bioremediation also includes plants for the detoxification of pollutants from soil. The microorganisms that are used for bioremediation may be already present in the contaminated water body or maybe it gets isolated. Microorganisms grow and work under suitable conditions therefore manipulation of the environmental condition also required to enhance the growth of microorganisms. After the growth of microorganisms, these microorganisms eat up toxic waste and digest them and release out gases like ethane and carbon dioxide. It is a cost-effective process but in case of unsuitable conditions, microorganism dies off leaving the toxic untreated.So, the correct answer is Bioremediation.Note:
Not all bacteria, fungi, and plants are capable of detoxification of toxic chemicals of pollutants, therefore only those organisms are used which have the property of detoxification. Microorganisms that are used in this process are aerobic microorganisms that require oxygen for detoxification of waste and plants detoxify waste of soil by the use of solar energy.
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