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Topic Atmosphere
Asked 3 times across 3 UPSC exams over 8 years (2015–2023), peaking in 2018.
Key insights
- Most tested in CAPF — 1 of 3 PYQs
- Most asked in 2018
- Recurs across 3 years (2015–2023)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2015 → CAPF 2018 → NDA 2023
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.
NDA2023
In which one of the following layers of the atmosphere all weather phenomenon occur ?
- A Mesosphere
- B Troposphere ✓
- C Thermosphere
- D Stratosphere
✓ Correct answer: (B)
Geography › Climatology
CAPF2018
The lowest temperature is observed/recorded in which one of the following layers of the atmosphere?
- A Stratosphere
- B Mesosphere ✓
- C Thermosphere
- D Troposphere
✓ Correct answer: (B)
Geography › Climatology
CDS2015
Which one of the following statements about the atmosphere is correct?
- A The atmosphere has definite upper limits but gradually thins until it becomes imperceptible.
- B The atmosphere has no definite upper limits but gradually thins until it becomes imperceptible. ✓
- C The atmosphere has definite upper limits but gradually thickens until it becomes imperceptible.
- D The atmosphere has no definite upper limits but gradually thickens until it becomes imperceptible.
✓ Correct answer: (B)
Geography › Climatology
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