ECOLOGY
BIODIVERSITY AND ITS CONSERVATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which is an example of bioremediation?
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replanting trees in an area affected by acid rain
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using microorganisms to detoxify an oil spill
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enacting a law that protects endangered amphibians
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introducing natural predators to control a crop pest
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Explanation:
Detailed explanation-1: -Bioremediation, which was used extensively in the Exxon Valdez spill, involved adding fertilizers containing nitrogen (N) nutrients to speed up the rates of oil biodegradation. Most petroleum hydrocarbons are highly insoluble in water.
Detailed explanation-2: -Species from the genera Pseudomonas, Rhodococcus, Acinetobacter and Bacillus are in the top 10 of bacterial bioremediation agents.
Detailed explanation-3: -Among bacteria involved in bioremediation processes, most belong to the genera Alcaligens, Achromobacter, Acinetobacter, Alteromonas, Arthrobacter, Burkholderia, Bacillus, Enterobacter, Flavobacterium, Pseudomonas [22, 23].
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