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Topic Thunderstorm
Asked 2 times across 2 UPSC exams over 4 years (2013–2017), peaking in 2013.
Key insights
- Most tested in CSE — 1 of 2 PYQs
- Most asked in 2013
- Recurs across 2 years (2013–2017)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 2013 → CAPF 2017
How the concept evolved
Long-running — most appearances (1 of 2) predate 2016, and it still returns.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CAPF2017
Which one of the following is NOT a favourable condition for occurrence of a thunderstorm?
- A Conditional and convective instability
- B Adequate supply of moisture in the lower atmosphere
- C Advection of cold dry air in the lower troposphere and warm moist air in the upper troposphere ✓
- D A synoptic situation of low level convergence and upper level divergence
✓ Correct answer: (C)
Geography › Climatology
CSE2013
During a thunderstorm, the thunder in the skies is produced by the
- meeting of cumulonimbus clouds in the sky
- lightning that separates the nimbus clouds
- violent upward movement of air and water particles
Select the correct answer using the codes given below.
- A 1 only
- B 2 and 3
- C 1 and 3
- D None of the above produces the thunder ✓
✓ Correct answer: (D)
Geography › Climatology
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