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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2020 · Paper I, General Studies · Q25 of 120

Geo-Scientist Prelims 2020 General Studies Q25: Which one of the following is NOT a renewable source of energy?

QuestionEnvironment / energy

Which one of the following is NOT a renewable source of energy?

  1. (a) Wind
  2. (b) Sunlight
  3. (c) Nuclear minerals
  4. (d) Biofuels

Answer: (c) Nuclear minerals

Nuclear minerals (uranium, thorium) are finite, mined resources → non-renewable. Wind, sunlight and biofuels are replenished naturally. Remember: nuclear power is low-carbon but not renewable.

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