Home / Topic / Ocean-atmosphere interaction
Topic Ocean-atmosphere interaction
Asked 2 times across 2 UPSC exams over 2 years (2020–2022), peaking in 2020.
Key insights
- Most tested in CSE — 1 of 2 PYQs
- Most asked in 2020
- Recurs across 2 years (2020–2022)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 2020 → GEO 2022
How the concept evolved
Rising — more than half its appearances (2 of 2) 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
Which one of the following events has not been attributed to El Niño during early 1980s?
- A The warmest winter in the Eastern US during the last 25 years
- B Drought in Southeast Africa, Australia, New Zealand and Southeast Asia
- C Prolific growth of coral reefs in the Pacific Ocean ✓
- D Increased incidents of bubonic plague in Southwestern United States
✓ Correct answer: (C)
Geography › Climatology
CSE2020
With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct ?
- OMT is measured up to a depth of 26°C isotherm which is 129 meters in the south-western Indian Ocean during January – March
- OMT collected during January – March can be used in assessing whether the amount of rainfall in monsoon will be less or more than a certain long-term mean
Select the correct answer using the code given below :
- A 1 only
- B 2 only ✓
- C Both 1 and 2
- D Neither 1 nor 2
✓ Correct answer: (B)
Geography › Climatology
Study how UPSC repeats — not just the papers
₹199 / 1 year · Founding Member
Full access unlocks the three things no PYQ PDF gives you:
① Cross-exam learning — see the same idea recur across CSE, CAPF, CDS and NDA.
② Topic evolution — how each idea is framed, year by year.
③ Question intelligence — every PYQ + answer, linked to related concepts and similar questions.
e.g. Round Table Conference: CDS 2017 → CSE 2017 → … → CAPF 2024
15 days free, no card required — then ₹199 for 1 year.
Start your 15-day free trial →