Environmental Biotechnology MCQs

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1. : Environmental biotechnology is mainly concerned with:





2. : The use of microorganisms to clean up contaminated environments is called:





3. : Which of the following is an in-situ bioremediation method?





4. : Phytoremediation uses:





5. : Which gas is produced during anaerobic digestion of organic waste?





6. : The activated sludge process is commonly used in:





7. : Zoogloea ramigera is important in wastewater treatment because it:





8. : Which of the following is an example of ex-situ bioremediation?





9. : The process of using genetically engineered microbes to break down pollutants is called:





10. : White-rot fungi are known to degrade:





11. : Which of the following is used for heavy metal removal from wastewater?





12. : The microbe Pseudomonas putida is famous for degrading:





13. : Which of the following describes bioleaching?





14. : Vermicomposting uses:





15. : Which of the following is a renewable energy product of environmental biotechnology?





16. : Biosensors in environmental biotechnology are used for:





17. : The process of adding nutrients to stimulate native microbial activity is called:





18. : The process of adding specialized microbes to polluted sites is called:





19. : Which of the following is a limitation of bioremediation?





20. : Algal biotechnology is often applied in:





21. : Bioplastics are produced from:





22. : Which of the following is an example of phytoremediation?





23. : What does C in CSTR (Continuous Stirred Tank Reactor) stand for?





24. : Bioreactors in environmental biotechnology are mainly used for:





25. : Biochar is used in environmental biotechnology for:





26. : Which of the following is an advantage of bioremediation?





27. : The use of enzymes for breaking down pollutants is known as:





28. : Biosurfactants produced by microbes help in:





29. : Which microbe is used in oil spill bioremediation?





30. : The greenhouse gas captured and used for bioenergy is:





31. : Which biotechnology process is used for treating acid mine drainage?





32. : Which microbe is used in methane oxidation?





33. : Which of the following is an application of genetic engineering in environmental biotechnology?





34. : Biosorption uses:





35. : What is the main energy source for microbial fuel cells?





36. : Composting is mainly an example of:





37. : Which of the following is an example of bioenergy?





38. : Environmental biotechnology contributes to reducing:





39. : What is the role of cyanobacteria in wastewater treatment?





40. : Biopolishing in textile industry is an application of:





41. : Which type of reactor is widely used for anaerobic digestion?





42. : The pollutant PCBs (polychlorinated biphenyls) can be degraded using:





43. : The concept of “green technology” in biotechnology refers to:





44. : Which heavy metal can be removed by phytoremediation using mustard plants?





45. : Which of the following is a by-product of anaerobic digestion useful as fertilizer?





46. : Which bacteria are commonly used in nitrification during wastewater treatment?





47. : Microbial consortia in environmental biotechnology means:





48. : Which of the following is a challenge in environmental biotechnology?





49. : Bioindicators in environmental biotechnology are organisms used to:





50. : The ultimate goal of environmental biotechnology is:





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