Question
Discuss the applications of biotechnology in environmental management. Write short notes on biomonitoring and biomethanation.
Answer :
Word Count : 973
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Skip in 10
Biotechnology has emerged as a crucial tool in environmental management, offering innovative and sustainable solutions for the protection, restoration, and monitoring of ecosystems. It integrates biological systems, living organisms, or their derivatives with technological applications to address environmental challenges such as pollution, resource depletion, and waste management. Through the use of microorganisms, plants, enzymes, and genetic engineering, biotechnology enhances the capacity to clean up contaminated environments, treat waste, conserve biodiversity, and promote sustainable development. Its applications are diverse, ranging from bioremediation and waste treatment to pollution monitoring, energy generation, and environmental conservation. One of the most prominent applications of biotechnology in environmental management is bioremediation. This process involves the use of microorganisms or plants to remove, degrade, or neutralize pollutants from soil, water, and air. Microbes such as Pseudomonas, Bacillus, and Mycobacterium possess enzymes capable of breaking down hydrocarbons, pesticides, heavy metals, and other toxic substances. Techniques like bioaugmentation, where specific microbial strains are introduced to contaminated sites, and biostimulation, where nutrients or oxygen are added to enhance the growth of native degraders, increase the efficiency of pollutant degradation. Phytoremediation, a plant-based strategy, uses species such as sunflower, vetiver, and water hyacinth to absorb, accumulate, or detoxify heavy metals and organic pollutants from soil and water, thereby restoring ecological balance. Wastewater treatment is another area where biotechnology plays a pivotal role. Activated sludge processes, trickling filters, and membrane bioreactors employ microbial consortia to degrade organic matter and nutrients in domestic and industrial effluents. Anaerobic digestion, which relies on methanogenic bacteria, converts organic waste into biogas while reducing sludge volumes. Algal biotechnology is also
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