COMPETITIVE EXAM MCQs SERIES of ENVIRONMENTAL SCIENCE for UGC-NET/JRF, SLET, ARS, GATE, and other entrance tests – Energy and Environment – Environmental Implications of Energy Use.
Syllabus Outline
- Relationship between energy consumption and its environmental repercussions.
- Detrimental effects of fossil fuel usage (e.g. emissions, pollution, and climate change).
- Renewable energy alternatives (e.g. solar, wind, hydropower, biomass, and geothermal energy) and their environmental benefits.
- Nuclear energy’s environmental concerns include radioactive waste management and accidents.
- Energy efficiency measures and conservation techniques.
- Socio-economic aspects of energy transition, mitigation strategies, adaptation measures, and future trends and challenges.
This quiz contains the concept-based most frequently asked 25 MCQs of “Energy and Environment – Environmental Implications of Energy Use“. Each question has a single correct/most appropriate answer.
- Which renewable energy source is associated with the highest energy return on investment?
a) Solar power
b) Wind power
c) Hydropower
d) Biomass
View Answer2. The phenomenon of global dimming refers to:
a) A decrease in solar radiation reaching the Earth’s surface due to pollution
b) An increase in solar radiation reaching the Earth’s surface due to deforestation
c) The cooling effect of aerosols in the atmosphere
d) The warming effect of greenhouse gases
View Answer3. Which of the following is a potential environmental impact of hydraulic fracturing?
a) Soil erosion
b) Groundwater contamination
c) Noise pollution
d) Light pollution
View Answer4. Which of the following is a potential environmental impact of wind energy production?
a) Habitat destruction
b) Water pollution
c) Noise pollution
d) Soil erosion
View Answer5. The concept of energy poverty refers to:
a) Lack of access to modern energy services
b) Excessive consumption of energy resources
c) Energy overdependence on fossil fuels
d) Energy efficiency standards
View Answer6. The phenomenon of energy rebound effect refers to:
a) Increased energy efficiency leads to higher energy consumption
b) Decreased energy demand due to technological advancements
c) Transition to renewable energy sources
d) Energy conservation measures
View Answer7. The concept of energy transition refers to:
a) Increasing energy consumption for economic growth
b) Expanding energy infrastructure
c) Diversifying energy imports
d) Shifting from fossil fuels to renewable energy sources
View Answer8. The concept of energy decoupling involves:
a) Achieving economic growth without increasing energy consumption
b) Increasing energy consumption to stimulate economic growth
c) Exploiting renewable energy sources
d) Reducing energy imports through domestic production
View Answer9. The phenomenon of energy sprawl refers to:
a) Compact urban development
b) Energy efficiency improvements
c) The expansion of energy infrastructure into natural landscapes
d) Renewable energy deployment
View Answer10. The concept of energy sovereignty involves:
a) Local control and ownership of energy resources and infrastructure
b) Dependence on foreign energy imports
c) Exploitation of energy resources for economic gain
d) Maximizing energy consumption for economic growth
View Answer11. The concept of energy apartheid refers to:
a) Unequal access to energy resources and services among different social groups
b) Promotion of renewable energy technologies
c) Energy independence and security
d) Exploitation of energy resources for economic gain
View Answer12. The concept of energy hegemony involves:
a) Energy independence and security
b) Exploitation of energy resources for economic gain
c) Promotion of renewable energy technologies
d) Dominance and control over global energy resources by a single entity or country
View Answer13. The concept of energy gentrification involves:
a) Displacement of low-income communities due to energy-related development projects
b) Promotion of renewable energy technologies
c) Energy independence and security
d) Exploitation of energy resources for economic gain
View Answer14. The concept of energy solidarity involves:
a) Cooperation and support among countries regarding energy security and sustainability
b) Energy independence and security
c) Exploitation of energy resources for economic gain
d) Promotion of renewable energy technologies
View Answer15. Which fossil fuel emits the highest amount of carbon dioxide per unit of energy when burned?
a) Coal
b) Natural gas
c) Petroleum
d) Biomass
View Answer16. What is the approximate energy efficiency of an incandescent light bulb?
a) 5%
b) 10%
c) 15%
d) 20%
View Answer17. What is the average efficiency of a coal-fired power plant?
a) 10%
b) 30%
c) 50%
d) 70%
View Answer18. How much energy is consumed by a 100-watt light bulb if left on for 24 hours?
a) 2.4 kWh
b) 24 kWh
c) 100 kWh
d) 240 kWh
View Answer19. What is the average energy content of gasoline?
a) 30 MJ/kg
b) 10 MJ/kg
c) 50 MJ/kg
d) 70 MJ/kg
View Answer20. The energy efficiency of a photovoltaic cell typically ranges from:
a) 5% to 15%
b) 20% to 30%
c) 40% to 55%
d) 60% to 80%
View Answer21. Which fossil fuel is considered the cleanest regarding greenhouse gas emissions per unit of energy produced?
a) Coal
b) Natural gas
c) Petroleum
d) Diesel
View Answer22. If a wind turbine produces 1,000 kWh of electricity monthly, what is its average power output if it operates for 720 hours?
a) 1.39 kW
b) 1.75 kW
c) 2.22 kW
d) 2.78 kW
View Answer23. If a hydroelectric dam has a capacity of 100 MW and operates at full capacity for 24 hours, how much energy does it produce in a day?
a) 100 MWh
b) 2,400 MWh
c) 2,400,000 MWh
d) 24,000,000 MWh
View Answer24. Which energy source is responsible for the highest percentage of global carbon dioxide emissions?
a) Coal
b) Natural gas
c) Petroleum
d) Biomass
View Answer25. Which energy source is responsible for most mercury emissions into the atmosphere?
a) Coal
b) Natural gas
c) Petroleum
d) Biomass
View AnswerPrevious: Biomass and Bioenergy
Next: Exploitation of Renewable Energy Resources
References
- Patrick L. Gurian, Chris Peterson, and Britt E. Holmén (2015) Environmental Impacts of Renewable Energy, CRC Press, 1st Edition.
- Howard T. Odum and Elisabeth C. Odum (1976) Energy Basis for Man and Nature, McGraw-Hill, 1st Edition.
- Roger Fouquet (2008) Heat, Power and Light: Revolutions in Energy Services, Edward Elgar Publishing, 1st Edition.
