Unit – II Sustainability and Renewable Resources
2.1 Natural Resources: Types, importance, Causes and effects of depletion. (Forest Resources, Water Resources, Energy Resources, Land resources, Mineral resources), (IKS-Concepts of Panchmahabhuta)
2.2 Impact of overexploitation of natural resources on the environment, optimum use of natural resources
2.3 Energy forms (Renewable and non-renewable) such as Thermal energy, nuclear energy, Solar energy, Wind energy, Geothermal energy, Biomass energy, Hydropower energy, biofuel
2.4 Green Solutions in the form of New Energy Sources such as Hydrogen energy, Ocean energy
& Tidal energy
SET 1
#1. Which of the following is NOT a primary function of forests?
#2. What is the main reason for deforestation?
#3. What is the term for the process of planting trees to restore forests that have been cut down?
#4. Which of the following forest types is most threatened by human activity?
#5. What is the main purpose of forest conservation?
#6. Which of the following is an example of a non-timber forest product?
#7. What is overexploitation of natural resources?
#8. Which of the following is a major consequence of overexploitation of forests?
#9. Overexploitation of groundwater can result in which of the following?
#10. Which of the following is an example of overexploitation in mining?
#11. Which of the following practices is most likely to help mitigate overexploitation of natural resources?
#12. How does overexploitation contribute to climate change?
#13. Which of the following is a type of solar energy technology used to convert sunlight into electricity?
#14. What is the efficiency range of most commercial photovoltaic solar panels?
#15. What is the term for the process of converting sunlight directly into electricity?
#16. Which of the following is a disadvantage of solar energy?
#17. What is the main component of a solar panel?
#18. What is the most common use of solar energy in residential areas?
#19. Which of the following is a significant advantage of solar energy?
#20. How does solar energy contribute to reducing greenhouse gas emissions?
#21. Which of the following is a major benefit of wind energy?
#22. What type of wind turbines are most commonly used today?
#23. What is the main component of a wind turbine that captures wind energy?
#24. What is the term used to describe the amount of electricity generated by a wind turbine?
#25. What factor primarily determines the efficiency of a wind turbine?
#26. Which of the following is a disadvantage of wind energy?
#27. What is the principle behind the operation of wind turbines?
#28. What is biomass energy?
#29. Which of these is the primary advantage of biomass energy?
#30. Biomass energy is considered carbon neutral because:
#31. Which of these feedstocks is commonly used for producing bioethanol?
#32. Which of the following is NOT a type of ocean energy?
#33. Which technology is used to capture energy from the temperature difference between warm surface water and cold deep water?
#34. Tidal energy is primarily generated from which natural phenomenon?
#35. Which of the following is a disadvantage of tidal energy?
#36. . Which of the following is the primary source of hydrogen?
#37. . What is the process of extracting hydrogen from water called?
#38. . Which of these is a major advantage of hydrogen energy?
#39. Which of the following is a method of producing hydrogen?
#40. Which is the most common fuel cell used for hydrogen-powered vehicles?
#41. What is a major challenge in the widespread use of hydrogen energy?
#42. Hydrogen is considered a clean energy source because it produces only which of the following when used in a fuel cell?
#43. Which of the following is a common component of a hydropower plant?
#44. What does the penstock in a hydropower plant do?
#45. The energy of falling water is converted into which type of energy in a hydropower plant?
#46. Which of the following best describes the ‘head’ in a hydropower plant?
#47. In a hydropower plant, what is the role of the turbine?
#48. In which part of the Earth is geothermal energy primarily stored?
#49. Geothermal energy is considered renewable because:
#50. What is the main disadvantage of geothermal energy?
#51. Which of the following is a type of geothermal power plant?
#52. What is the key factor for the successful location of geothermal energy plants?
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