1. What is green energy?
A) Energy derived from natural renewable sources ✅
B) Energy from fossil fuels
C) Energy that emits high carbon dioxide
D) Energy that comes from nuclear power
2. Which of the following is NOT a source of green energy?
A) Coal ✅
B) Solar power
C) Wind energy
D) Hydropower
3. What is the main advantage of green energy?
A) It reduces greenhouse gas emissions ✅
B) It is more expensive than fossil fuels
C) It depletes natural resources
D) It increases air pollution
4. Which country generates the most electricity from wind energy?
A) China ✅
B) India
C) Germany
D) Brazil
5. Which type of renewable energy converts sunlight into electricity?
A) Solar energy ✅
B) Wind energy
C) Biomass energy
D) Geothermal energy
6. What is the main disadvantage of solar energy?
A) It depends on sunlight availability ✅
B) It emits carbon dioxide
C) It consumes fossil fuels
D) It produces radioactive waste
7. What is the key benefit of wind energy?
A) It produces no direct emissions ✅
B) It depends on coal
C) It is always available
D) It requires a lot of fuel
8. Which energy source is used in hydroelectric power plants?
A) Moving water ✅
B) Wind
C) Sunlight
D) Natural gas
9. What is the primary fuel source for biomass energy?
A) Organic materials like wood and agricultural waste ✅
B) Natural gas
C) Coal
D) Uranium
10. How is geothermal energy generated?
A) By harnessing heat from the Earth’s core ✅
B) By burning fossil fuels
C) By using solar panels
D) By using wind turbines
11. Which greenhouse gas is mostly associated with fossil fuels?
A) Carbon dioxide (CO₂) ✅
B) Oxygen (O₂)
C) Nitrogen (N₂)
D) Argon (Ar)
12. What is the biggest challenge for wind energy?
A) It depends on wind availability ✅
B) It releases toxic gases
C) It is non-renewable
D) It produces nuclear waste
13. What is a major benefit of hydropower?
A) It provides continuous energy production ✅
B) It consumes coal
C) It is non-renewable
D) It releases methane
14. Which of the following is a clean energy source?
A) Solar power ✅
B) Diesel
C) Coal
D) Petroleum
15. What is net metering in solar energy?
A) Selling excess electricity back to the grid ✅
B) Storing excess energy in batteries
C) Measuring the amount of energy lost
D) Reducing electricity bills through subsidies
16. What is the role of batteries in renewable energy?
A) Storing excess energy for later use ✅
B) Increasing pollution
C) Releasing greenhouse gases
D) Consuming fossil fuels
17. Which renewable energy source depends on tides?
A) Tidal energy ✅
B) Solar energy
C) Biomass energy
D) Wind energy
18. What does the term "grid integration" mean in green energy?
A) Connecting renewable energy sources to the power grid ✅
B) Storing energy in coal reserves
C) Disconnecting from the power grid
D) Increasing fossil fuel use
19. What is an example of a passive solar system?
A) A greenhouse that traps heat from sunlight ✅
B) A coal-fired power plant
C) A nuclear reactor
D) A diesel generator
20. What is one drawback of hydropower?
A) It disrupts aquatic ecosystems ✅
B) It increases air pollution
C) It depends on fossil fuels
D) It cannot generate electricity
21. What is the main component of a solar panel?
A) Photovoltaic cells ✅
B) Wind turbines
C) Water turbines
D) Fuel cells
22. What is the purpose of a wind turbine's blades?
A) To capture wind energy and convert it into mechanical power ✅
B) To burn fuel
C) To store solar energy
D) To reduce air pressure
23. What is a major issue with biomass energy?
A) It can contribute to deforestation ✅
B) It is non-renewable
C) It produces radioactive waste
D) It cannot generate electricity
24. What is ocean thermal energy?
A) Energy generated from temperature differences in ocean water ✅
B) Energy from burning seaweed
C) Energy from oil extraction
D) Energy from solar panels in the ocean
25. What is one method of storing renewable energy?
A) Using lithium-ion batteries ✅
B) Burning coal
C) Releasing it into the air
D) Draining it into the ocean
26. What is one major advantage of green energy?
A) It is sustainable and renewable ✅
B) It requires fossil fuels
C) It increases greenhouse gas emissions
D) It depletes natural resources
27. Which country is the world's largest producer of solar energy?
A) China ✅
B) United States
C) Germany
D) India
28. What does "energy transition" refer to?
A) Moving from fossil fuels to renewable energy ✅
B) Switching from electricity to coal
C) Increasing fossil fuel consumption
D) Reducing renewable energy use
29. What is a key characteristic of geothermal energy?
A) It provides continuous power generation ✅
B) It emits large amounts of CO₂
C) It requires wind to operate
D) It depends on daylight availability
30. What is one disadvantage of solar farms?
A) They require large land areas ✅
B) They emit greenhouse gases
C) They use up fossil fuels
D) They produce nuclear waste
31. Which of these is NOT a type of biofuel?
A) Coal ✅
B) Ethanol
C) Biodiesel
D) Biogas
32. What is the primary benefit of electric vehicles (EVs)?
A) They reduce carbon emissions ✅
B) They run on diesel
C) They require more fossil fuels
D) They increase air pollution
33. What is a common method of harnessing tidal energy?
A) Using tidal barrages ✅
B) Burning tidal waves
C) Using large solar panels
D) Capturing rainwater
34. Why is offshore wind energy becoming popular?
A) Winds are stronger and more consistent over oceans ✅
B) It reduces coal consumption
C) It does not require wind
D) It is easier to maintain than land turbines
35. What is the major advantage of floating solar panels?
A) They do not occupy land space ✅
B) They produce fossil fuels
C) They work without sunlight
D) They can generate electricity at night
36. What is net-zero carbon?
A) Balancing carbon emissions with removal or offsetting ✅
B) Eliminating all energy production
C) Using more coal
D) Stopping all industrial activities
37. How does hydropower generate electricity?
A) By using flowing water to turn turbines ✅
B) By using coal-powered steam
C) By burning natural gas
D) By reflecting sunlight
38. What is a major environmental concern for wind farms?
A) Impact on bird populations ✅
B) Air pollution
C) Deforestation
D) Water pollution
39. How do solar panels convert sunlight into electricity?
A) By using photovoltaic cells ✅
B) By heating water
C) By storing wind energy
D) By reflecting light to turbines
40. What is the main challenge of renewable energy storage?
A) Battery technology is still expensive ✅
B) Fossil fuels are more sustainable
C) It is impossible to store energy
D) Renewable energy sources are non-renewable
41. What is the main benefit of green hydrogen?
A) It is produced using renewable energy ✅
B) It increases greenhouse gas emissions
C) It is made from coal
D) It is a non-renewable fuel
42. What type of energy do biomass power plants produce?
A) Heat and electricity ✅
B) Only heat
C) Only light
D) Only sound energy
43. Which of these is an example of decentralized renewable energy?
A) Rooftop solar panels ✅
B) A coal-fired power plant
C) A large nuclear power station
D) A diesel generator
44. What is the purpose of carbon capture technology?
A) To reduce CO₂ emissions from power plants ✅
B) To release more carbon into the air
C) To increase fossil fuel usage
D) To burn waste products
45. What is an example of a zero-emission vehicle?
A) Hydrogen fuel cell car ✅
B) Diesel truck
C) Gasoline-powered car
D) Coal-powered train
46. What is a major problem with nuclear energy as a green energy source?
A) Radioactive waste disposal ✅
B) High carbon emissions
C) Lack of electricity production
D) Unreliability of the power supply
47. Which country has committed to 100% renewable energy by 2050?
A) Denmark ✅
B) Saudi Arabia
C) Russia
D) Canada
48. What is a major challenge of using biofuels?
A) They compete with food production ✅
B) They are not renewable
C) They increase carbon emissions
D) They do not produce energy
49. How does tidal energy differ from wave energy?
A) Tidal energy is driven by the gravitational pull of the moon ✅
B) Wave energy depends only on wind
C) Tidal energy requires sunlight
D) Wave energy is generated from deep-sea currents
50. Why is green energy important for the future?
A) It helps reduce climate change and reliance on fossil fuels ✅
B) It increases air pollution
C) It makes coal cheaper
D) It slows down industrial progress
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