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Topic Ozone layer protection
Asked 3 times across 3 UPSC exams over 11 years (2015–2026), peaking in 2019.
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
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
- The Vienna Convention aims to protect the ozone layer
- The Montreal Protocol is recognized as the most successful international environmental treaty
Which of the statements given above is/are correct?
- A I only
- B II only
- C Both I and II
- 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?
- A Combat desertification
- B Formulate sustainable developmental goals
- C Protection of ozone layer ✓
- 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 ?
- A Ozone Day – A healthy atmosphere, the future we want
- B Protecting our atmosphere for generations to come
- C HCFC phase out : a unique opportunity
- D Ozone Layer Protection : The Mission Goes On ✓
✓ Correct answer: (D)
Environment & Ecology › Climate Change
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