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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 · 2023 · Paper I, General Studies · Q49 of 120

Geo-Scientist Prelims 2023 General Studies Q49: What are ‘circadian rhythms’?

QuestionEcology / biological rhythms

What are ‘circadian rhythms’?

  1. (a) Daily responses of animals to light conditions
  2. (b) Growth of plant tip with changing light direction
  3. (c) Annual responses of living organisms to light conditions
  4. (d) Daily responses of animals to water availability

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