SUSTAINABLE ENERGY -UNIT 5

What is the primary advantage of non-conventional energy sources over conventional ones?

• a) They are more reliable
• b) They are cheaper
• c) They are more environmentally friendly
• d) They require less maintenance

Which of the following is an example of a non-conventional energy source?

• a) Coal
• b) Natural gas
• c) Wind
• d) Oil

What is the main disadvantage of using non-conventional energy sources?

• a) They are more expensive
• b) They are less reliable
• c) They are more harmful to the environment
• d) They require more maintenance

What is the process by which carbon is cycled through the Earth's systems?

• a) The nitrogen cycle
• b) The water cycle
• c) The carbon cycle
• d) The oxygen cycle

Which of the following is NOT a way that carbon is emitted into the atmosphere?

• a) Burning fossil fuels
• b) Deforestation
• c) Volcanic eruptions
• d) Photosynthesis

What is carbon sequestration?

• a) The process of capturing carbon emissions and storing them underground
• b) The process of converting carbon dioxide into oxygen
• c) The process of burning fossil fuels
• d) The process of releasing carbon into the atmosphere

Which of the following is an example of a carbon-neutral energy source?

• a) Solar power
• b) Wind power
• c) Nuclear power
• d) Gasoline

Which of the following is an example of a carbon-negative technology?

• a) Carbon capture and storage
• b) Hydroelectric power
• c) Biomass energy
• d) Geothermal energy

Which of the following is a benefit of using renewable energy sources?

• a) They do not produce greenhouse gas emissions
• b) They are always cheaper than conventional sources
• c) They are more reliable than conventional sources
• d) They require less maintenance than conventional sources

How does carbon capture and storage (CCS) work?

• a) It converts carbon dioxide into a solid form
• b) It captures carbon dioxide emissions and stores them underground
• c) It releases carbon dioxide into the atmosphere
• d) It converts carbon dioxide into oxygen