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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 · 2025 · Paper I, General Studies · Q102 of 120

Geo-Scientist Prelims 2025 General Studies Q102: Which one of the following books expressed concern on the…

QuestionEnvironment / literature

Which one of the following books expressed concern on the indiscriminate use of DDT and played major role in banning the use of DDT for agricultural use?

  1. (a) *Walden*
  2. (b) *Half-Earth*
  3. (c) *Silent Spring*
  4. (d) *The End of Nature*

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