MCQs on Energy Scenario

What is the SI unit of energy?

• Watt

• Joule

• Newton

• Ampere

Which of the following is the commercial unit of energy?

• Watt-hour

• Kilowatt-hour (kWh)

• Joule-second

• MegaJoule

What is the percentage share of fossil fuels in global energy consumption?

• 60%

• 70%

• 80%

• 90%

Which of the following energy sources saw increased consumption after the 1970s?

• Oil

• Natural gas

• Nuclear energy

• All of the above

What is the main reason for promoting renewable energy?

• High cost of fossil fuels

• Climate change and sustainability

• Limited technological advancements

• High efficiency of renewable systems

Which of the following is NOT a form of energy?

• Mechanical energy

• Thermal energy

• Chemical energy

• Gravitational power

Who was the first philosopher to describe the concept of energy?

• Archimedes

• Nikola Tesla

• Aristotle

• James Watt

What was the major impact of James Watt's invention of the steam engine in 1785?

• Led to the industrial revolution

• Discovered electricity

• Invented the internal combustion engine

• Increased oil consumption

Which country had the highest energy consumption in 2018?

• India

• United States

• China

• Germany

What was the recorded atmospheric CO₂ concentration in December 2019?

• 350 ppm

• 400 ppm

• 412.02 ppm

• 450 ppm