MCQ practice · SSC Physics Board questions · Chapter 4: Work, Power and Energy
Which of the following is a non-renewable energy?
Think it through first, then pick an option.
- a methane
- b biofuel
- c biomass
- d wind energy
Answer and explanation
Correct answer: a methane
Natural gas is mainly methane (CH₄), and gas is a non-renewable source. Biofuel, biomass and wind energy are renewable.
Why the other options are wrong
- b biofuel: This is not the answer: Natural gas is mainly methane (CH₄), and gas is a non-renewable source. Biofuel, biomass and wind energy are renewable.
- c biomass: This is not the answer: Natural gas is mainly methane (CH₄), and gas is a non-renewable source. Biofuel, biomass and wind energy are renewable.
- d wind energy: This is not the answer: Natural gas is mainly methane (CH₄), and gas is a non-renewable source. Biofuel, biomass and wind energy are renewable.
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