Renewable Energy MCQs

1. : Which of the following is NOT a renewable energy source?
(A) Solar energy
(B) Wind energy
(C) Natural gas
(D) Biomass energy

2. : The largest share of renewable electricity generation worldwide comes from:
(A) Solar power
(B) Wind power
(C) Hydropower
(D) Geothermal energy

3. : Which country is the global leader in installed solar PV capacity?
(A) USA
(B) China
(C) India
(D) Germany

4. : A wind turbine converts:
(A) Kinetic energy into electrical energy
(B) Electrical energy into kinetic energy
(C) Solar energy into mechanical energy
(D) Heat energy into sound energy

5. : The main limitation of solar energy is:
(A) Lack of advanced technology
(B) Intermittency and dependence on sunlight
(C) It produces greenhouse gases
(D) It is not renewable

6. : Geothermal energy is derived from:
(A) Ocean currents
(B) Heat inside the Earth’s crust
(C) Nuclear fission
(D) Biomass combustion

7. : Which type of solar technology uses mirrors to concentrate sunlight to produce heat?
(A) Photovoltaic (PV) cells
(B) Concentrated Solar Power (CSP)
(C) Solar water heaters
(D) Solar shingles

8. : Biomass energy can be generated from:
(A) Agricultural waste
(B) Animal manure
(C) Municipal solid waste
(D) All of the above

9. : The main gas produced in biogas plants is:
(A) Carbon dioxide
(B) Methane
(C) Nitrogen
(D) Oxygen

10. : Tidal energy is produced by:
(A) Gravitational pull of the moon and sun
(B) Ocean currents
(C) Solar heating of seawater
(D) Underwater volcanoes

11. : Which renewable energy technology has the lowest greenhouse gas emissions?
(A) Solar PV
(B) Hydropower
(C) Wind power
(D) Geothermal

12. : Net metering in renewable energy refers to:
(A) Import of fossil fuels
(B) Selling excess electricity from solar/wind to the grid
(C) Monitoring power plant emissions
(D) Calculating hydropower efficiency

13. : Which of the following is a disadvantage of hydropower plants?
(A) No renewable potential
(B) High greenhouse gas emissions
(C) Displacement of communities and ecosystem disruption
(D) No electricity production at all

14. : Ocean Thermal Energy Conversion (OTEC) is based on:
(A) Temperature difference between surface water and deep ocean water
(B) Kinetic energy of ocean currents
(C) Solar heating of coastal waters
(D) Chemical reactions in seawater

15. : The world’s largest offshore wind farms are located in:
(A) USA
(B) Germany
(C) United Kingdom
(D) Denmark

16. : Which renewable energy source is most reliable and constant throughout the year?
(A) Solar energy
(B) Wind energy
(C) Geothermal energy
(D) Tidal energy

17. : Which device converts solar energy directly into electricity?
(A) Photovoltaic cell
(B) Solar collector
(C) Solar heater
(D) Concentrator lens

18. : Hydrogen fuel cells generate electricity through the reaction of hydrogen with:
(A) Carbon dioxide
(B) Oxygen
(C) Nitrogen
(D) Methane

19. : Which renewable energy source is produced by fermentation of crops like sugarcane and corn?
(A) Biogas
(B) Ethanol (biofuel)
(C) Geothermal heat
(D) Natural gas

20. : Which of the following is a major challenge for wind energy?
(A) Emission of CO₂
(B) Noise, bird strikes, and intermittency
(C) Lack of renewable potential
(D) High water consumption

21. : Small-scale hydropower plants are also called:
(A) Mini dams
(B) Run-of-the-river projects
(C) Water purifiers
(D) Micro batteries

22. : The efficiency of solar PV cells is typically in the range of:
(A) 5–10%
(B) 15–25%
(C) 40–50%
(D) 60–80%

23. : Which renewable energy is best suited for remote rural areas with no grid access?
(A) Nuclear power
(B) Solar home systems
(C) Coal power plants
(D) Diesel generators

24. : Which renewable energy option also provides energy storage in the form of reservoirs?
(A) Geothermal
(B) Hydropower
(C) Biomass
(D) Wind

25. : The ultimate goal of renewable energy development is to:
(A) Increase dependence on fossil fuels
(B) Reduce greenhouse gas emissions and promote sustainability
(C) Raise pollution levels
(D) End international cooperation