Biomass MCQs,

1. What is biomass? A) Energy derived from fossils B) Organic material derived from plants and animals C) Non-renewable source of energy D) Energy extracted from wind Answer: B 2. Which of the following is not a form of biomass? A) Wood B) Coal C) Crop residues D) Animal waste Answer: B 3. Which type of biomass is directly used for heating and cooking in many developing countries? A) Biogas B) Ethanol C) Bagasse D) Charcoal Answer: D 4. Which process converts biomass into liquid biofuels like ethanol? A) Pyrolysis B) Fermentation C) Gasification D) Combustion Answer: B 5. What is the main advantage of using biomass as a renewable energy source? A) It is completely carbon-neutral B) It is available in abundant quantities C) It doesn’t require any processing D) It is inexpensive to produce Answer: A 6. Which biomass feedstock is used to produce biogas through anaerobic digestion? A) Algae B) Corn stover C) Food waste D) Wood chips Answer: C 7. Which biomass conversion technology involves burning organic matter to produce heat? A) Gasification B) Fermentation C) Combustion D) Transesterification Answer: C 8. Which country is the largest producer of bioethanol from biomass? A) Brazil B) United States C) China D) India Answer: A 9. What is a major disadvantage of using biomass as a fuel source? A) High cost of production B) Low energy efficiency C) Dependence on fossil fuels D) Competition with food production Answer: D 10. Which biomass-derived product is used as a soil conditioner and fertilizer? A) Biogas B) Charcoal C) Biochar D) Biodiesel Answer: C 11. Which process involves the thermal decomposition of biomass in the absence of oxygen to produce bio-oil? A) Gasification B) Combustion C) Fermentation D) Pyrolysis Answer: D 12. Which biomass feedstock is commonly used in the production of cellulosic ethanol? A) Sugarcane B) Wheat C) Switchgrass D) Rapeseed Answer: C 13. Which type of biomass is derived from the remains of plants and animals that lived millions of years ago? A) Geothermal B) Hydroelectric C) Fossil D) Wind Answer: C 14. Which technology is used to convert solid biomass into a gaseous fuel? A) Combustion B) Gasification C) Transesterification D) Fermentation Answer: B 15. Which biomass conversion process produces biodiesel from vegetable oils or animal fats? A) Gasification B) Combustion C) Transesterification D) Fermentation Answer: C 16. What is the main environmental benefit of using biomass for energy production? A) Reduced greenhouse gas emissions B) Increased air pollution C) Depletion of natural resources D) Soil erosion Answer: A 17. Which of the following is an example of a second-generation biofuel? A) Ethanol from corn B) Biodiesel from soybeans C) Biogas from food waste D) Cellulosic ethanol from switchgrass Answer: D 18. Which process involves the breakdown of organic materials by bacteria in the absence of oxygen to produce biogas? A) Fermentation B) Gasification C) Anaerobic digestion D) Combustion Answer: C 19. What is the primary advantage of using algae as a biomass feedstock? A) High land requirement B) Fast growth rate C) Limited availability D) Low oil content Answer: B 20. Which biomass feedstock is used to produce biodiesel? A) Algae B) Corn C) Wood D) Animal waste Answer: B 21. Which of the following is a potential environmental concern associated with large-scale biomass production? A) Reduced soil fertility B) Increased biodiversity C) Enhanced carbon sequestration D) Reduced water consumption Answer: A 22. Which biomass conversion process converts agricultural and forestry residues into heat and power? A) Combustion B) Gasification C) Fermentation D) Pyrolysis Answer: A 23. Which type of biomass is primarily used in the production of biogas? A) Microalgae B) Switchgrass C) Food waste D) Sawdust Answer: C 24. Which process converts biomass into solid biofuels like wood pellets? A) Pyrolysis B) Fermentation C) Gasification D) Densification Answer: D 25. Which of the following is a potential disadvantage of using biomass energy? A) Renewable nature B) Variability in supply C) Low energy density D) Minimal greenhouse gas emissions Answer: C 26. Which biomass feedstock is primarily used in the production of cellulosic ethanol? A) Sugarcane B) Corn C) Switchgrass D) Wheat Answer: C 27. Which process involves converting biomass into a liquid biofuel through heating in the presence of a catalyst? A) Transesterification B) Fermentation C) Gasification D) Hydroprocessing Answer: D 28. Which of the following is a major benefit of using biomass for energy production? A) Limited availability B) High energy density C) Contribution to climate change D) Reduced reliance on fossil fuels Answer: D 29. Which type of biomass is primarily used to produce ethanol in the United States? A) Algae B) Corn C) Wood D) Food waste Answer: B 30. Which biomass feedstock is used in the production of biochar? A) Algae B) Wheat C) Wood chips D) Sugarcane bagasse Answer: C 31. Which process involves the conversion of waste vegetable oils or animal fats into biodiesel? A) Fermentation B) Transesterification C) Gasification D) Pyrolysis Answer: B 32. Which type of biomass is primarily used in the production of charcoal? A) Agricultural residues B) Algae C) Forest residues D) Urban waste Answer: C 33. Which biomass feedstock is used in the production of bioplastics? A) Sugarcane bagasse B) Wood pellets C) Corn starch D) Animal waste Answer: C 34. Which process involves the breakdown of organic matter into methane and carbon dioxide by microorganisms? A) Gasification B) Fermentation C) Anaerobic digestion D) Combustion Answer: C 35. Which biomass conversion technology involves the direct combustion of biomass to produce electricity? A) Gasification B) Combustion C) Pyrolysis D) Fermentation Answer: B 36. Which type of biomass is primarily used in the production of biogas? A) Wood chips B) Corn stover C) Food waste D) Algae Answer: C 37. Which process involves the thermal decomposition of biomass in the absence of oxygen to produce a gaseous mixture? A) Gasification B) Combustion C) Fermentation D) Transesterification Answer: A 38. Which biomass feedstock is primarily used in the production of biodiesel? A) Algae B) Corn C) Wood chips D) Wheat Answer: B 39. Which process converts biomass into liquid biofuels through biochemical reactions involving enzymes and microorganisms? A) Gasification B) Fermentation C) Combustion D) Pyrolysis Answer: B 40. Which type of biomass is primarily used in the production of bioethanol in Brazil? A) Sugarcane B) Corn C) Switchgrass D) Wood Answer: A 41. Which biomass conversion process involves the transformation of solid biomass into a gaseous fuel? A) Combustion B) Gasification C) Pyrolysis D) Fermentation Answer: B 42. Which biomass feedstock is primarily used in the production of biochar? A) Wheat B) Wood pellets C) Sugarcane bagasse D) Forest residues Answer: B 43. Which process involves the conversion of waste cooking oils into biodiesel? A) Fermentation B) Gasification C) Transesterification D) Pyrolysis Answer: C 44. Which type of biomass is primarily used in the production of charcoal? A) Agricultural residues B) Wood chips C) Forest residues D) Urban waste Answer: C 45. Which biomass feedstock is used to produce bioplastics? A) Sugarcane bagasse B) Wood pellets C) Corn starch D) Animal waste Answer: C 46. Which process involves the anaerobic decomposition of organic matter to produce methane-rich biogas? A) Gasification B) Fermentation C) Anaerobic digestion D) Combustion Answer: C 47. Which biomass conversion technology involves the direct combustion of biomass to produce heat or electricity? A) Gasification B) Combustion C) Pyrolysis D) Fermentation Answer: B 48. Which type of biomass is primarily used in the production of biogas? A) Wood chips B) Corn stover C) Food waste D) Algae Answer: C 49. Which process involves the thermal decomposition of biomass in the absence of oxygen to produce a gaseous mixture? A) Gasification B) Combustion C) Fermentation D) Transesterification Answer: A 50. Which biomass feedstock is primarily used in the production of biodiesel? A) Algae B) Corn C) Wood chips D) Wheat Answer: B

Biomass MCQs,

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