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Topic Global warming
Asked 5 times across 4 UPSC exams over 7 years (2015–2022), peaking in 2019.
Key insights
- Most tested in GEO — 2 of 5 PYQs
- First appeared in CAPF 2015 — 4 years before CSE 2019 (allied exams preview CSE)
- Most asked in 2019
- Recurs across 5 years (2015–2022)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CAPF 2015 → CDS 2017 → CSE 2019 → GEO 2021
How the concept evolved
Rising — more than half its appearances (4 of 5) 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.
GEO2022
As compared to natural greenhouse effect, the enhanced greenhouse effect refers to increase in average surface temperature of the Earth due to
- A volcanic activity
- B warm ocean currents
- C sunspot activity
- D anthropogenic activities ✓
✓ Correct answer: (D)
Environment & Ecology › Climate Change
GEO2021
Which one of the following statements on Climate of India is NOT correct?
- A Year 2020 was the eighth warmest year on record since 1901
- B 12 out of 15 warmest years were during the recent fifteen years (2006-2020)
- C During the year 2020, the monsoon season rainfall over the country as a whole was below normal
- D Past decade (2001-2010/ 2010-2020) was the warmest decade on record
Answer key not yet available (pending official release)
Geography › Climatology
CSE2019
In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into stratosphere?
- A Creating the artificial rains in some regions
- B Reducing the frequency and intensity of tropical cyclones
- C Reducing the adverse effects of solar wind on the Earth
- D Reducing the global warming ✓
✓ Correct answer: (D)
Environment & Ecology › Climate Change
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