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Topic

Ozone layer protection

Asked 3 times across 3 UPSC exams over 11 years (2015–2026), peaking in 2019.
3
PYQs
3
Exams
3
Years active
2015–2026
Span
2019
Peak
2/3
Answers
📅 Full chronological timeline →

Key insights

  • Most tested in CAPF — 1 of 3 PYQs
  • Most asked in 2019
  • Recurs across 3 years (2015–2026)

How it travelled across exams

First appearance in each exam — the same idea, reframed.
CDS 2015 CAPF 2019 GEO 2026

How the concept evolved

115
119
126
Rising — more than half its appearances (2 of 3) are since 2016.

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.
GEO2026

Consider the following statements as regards to the protection of ozone layers

  1. The Vienna Convention aims to protect the ozone layer
  2. The Montreal Protocol is recognized as the most successful international environmental treaty

Which of the statements given above is/are correct?

  1. A I only
  2. B II only
  3. C Both I and II
  4. D Neither I nor II
Answer key not yet available (pending official release)
Environment & Ecology › International Environmental Agreements
CAPF2019
Which one of the following is the main objective of Vienna Convention and Montreal Protocol?
  1. A Combat desertification
  2. B Formulate sustainable developmental goals
  3. C Protection of ozone layer ✓
  4. D Combat climate change
✓ Correct answer: (C)
Environment & Ecology › International Environmental Agreements
CDS2015
Which one among the following was the theme of the International Day of the Preservation of the Ozone Layer-2014 ?
  1. A Ozone Day – A healthy atmosphere, the future we want
  2. B Protecting our atmosphere for generations to come
  3. C HCFC phase out : a unique opportunity
  4. D Ozone Layer Protection : The Mission Goes On ✓
✓ Correct answer: (D)
Environment & Ecology › Climate Change

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