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Topic

Extinction

Asked 2 times in CSE over 13 years (1985–1998), peaking in 1985.
2
PYQs
1
Exams
2
Years active
1985–1998
Span
1985
Peak
2/2
Answers
📅 Full chronological timeline →

Key insights

  • Most tested in CSE — 2 of 2 PYQs
  • Most asked in 1985
  • Recurs across 2 years (1985–1998)

Across exams

CSE · 2

How the concept evolved

185
198
Largely a pre-2016 idea — watch for a comeback.

Related concepts

Ideas UPSC tests alongside this one — keep exploring.

Sample questions

You've seen the pattern — here are a few of the actual PYQs.
CSE1998
A tree species in Mauritius failed to reproduce because of the extinction of a fruit-eating bird. Which one of the following was that bird?
  1. A Dove
  2. B Dodo ✓
  3. C Condor
  4. D Skua
✓ Correct answer: (B)
Environment & Ecology › Biodiversity & Conservation
CSE1985
Which of the following statements about "Dinosaurs" is/are correct?
  1. A The early man was a contemporary of Dinosaurs
  2. B Man appeared first after the Dinosaurs became extinct
  3. C The Dinosaurs became extinct about six million years before the appearance of the first man on the earth
  4. D The Dinosaurs became extinct about 200 million years before the first man appeared on the earth ✓
✓ Correct answer: (D)
Science & Technology › Biology & Health

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