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Topic Subduction
Asked 2 times across 2 UPSC exams over 1 years (2014–2015), peaking in 2015.
Key insights
- Most tested in CAPF — 1 of 2 PYQs
- Most asked in 2015
- Recurs across 2 years (2014–2015)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2014 → CAPF 2015
How the concept evolved
Largely a pre-2016 idea — watch for a comeback.
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.
CAPF2015
The following item consists of two statements, Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below
Statement IThe Indian Ocean Tsunami of 2004 occurred along a subduction zone along west coast of Sumatra
Statement IIAlong the Sumatra coast the Indo-Australian Plate converges below the Eurasian Plate
- A Both the statements are individually true and Statement II is the correct explanation of Statement I
- B Both the statements are individually true but Statement II is NOT the correct explanation of Statement I ✓
- C Statement I is true but Statement II is false
- D Statement I is false but Statement II is true
✓ Correct answer: (B)
Geography › Geomorphology
CDS2014
Plate tectonics is a scientific theory that describes the large scale motions of Earth's lithosphere. Which one among the following statements regarding Plate tectonics is not correct?
- A Tectonic plates are composed of Oceanic lithosphere and thicker Continental lithosphere
- B Tectonic plates are able to move because the Earth's lithosphere has a higher strength than the underlying asthenosphere
- C The Earth's lithosphere is broken up into Tectonic Plates
- D Along divergent plate boundaries, subduction carries plates into the mantle ✓
✓ Correct answer: (D)
Geography › Geomorphology
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