Topic El Nino
Asked 8 times across 5 UPSC exams over 21 years (2002–2023), peaking in 2022.
Key insights
- Most tested in CSE — 4 of 8 PYQs
- Most asked in 2022
- Recurs across 6 years (2002–2023)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 2002 → CAPF 2022 → CDS 2022 → GEO 2022 → CBI 2023
How the concept evolved
Rising — more than half its appearances (5 of 8) 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.
CBI2023
Which one of the following is not the characteristic feature of 'El Niño' phenomenon impacting the Indian monsoon?
- A It replaces the cold Peruvian current
- B Appearance of cold current in East Pacific region ✓
- C Results in reduction of planktons
- D Results in drought or weak monsoon in India
✓ Correct answer: (B)
Geography › Climatology
CAPF2022
Which of the following statements is/are correct?
- The jet streams are high altitude easterly winds
- El Niño is a warm ocean current
- El Niño appears along the Peru coast
Select the correct answer using the code given below.
- A 1 only
- B 2 and 3 only ✓
- C 1 and 3 only
- D 1, 2 and 3
✓ Correct answer: (B)
Geography › Climatology
CDS2022
Which one of the following is not a resultant of the El Nino effect ?
- A Distortion of equatorial atmospheric circulation
- B Flow of the South-East Trade Winds towards the Indian Ocean ✓
- C Irregularities in the evaporation of sea water
- D Reduction in the amount of planktons which reduces the number of fish in the sea
✓ Correct answer: (B)
Geography › Climatology
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