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Topic Rock types
Asked 9 times across 3 UPSC exams over 44 years (1980–2024), peaking in 1986.
Key insights
- Most tested in CSE — 5 of 9 PYQs
- Most asked in 1986
- Recurs across 8 years (1980–2024)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 1980 → CDS 2021 → NDA 2023
How the concept evolved
Long-running — most appearances (5 of 9) predate 2016, and it still returns.
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.
NDA2024
Which one of the following is an example of both an igneous as well as a metamorphic rock ?
- A Gabbro
- B Geyserite
- C Gneissoid
- D Granite ✓
✓ Correct answer: (D)
Geography › Geomorphology
NDA2023
Which one of the following is not an igneous rock?
- A Granite
- B Slate ✓
- C Basalt
- D Gabbro
✓ Correct answer: (B)
Geography › Geomorphology
CDS2022
Which one of the following sedimentary rocks has not been formed mechanically?
- A Sandstone
- B Conglomerate
- C Loess
- D Geyserites ✓
✓ Correct answer: (D)
Geography › Geomorphology
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