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Topic Diagnostics
Asked 2 times across 2 UPSC exams over 35 years (1987–2022), peaking in 1987.
Key insights
- Most tested in CSE — 1 of 2 PYQs
- Most asked in 1987
- Recurs across 2 years (1987–2022)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 1987 → GEO 2022
How the concept evolved
Long-running — most appearances (1 of 2) predate 2016, and it still returns.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
GEO2022
The term 'Polymerase Chain Reaction' is often mentioned in news in the context of
- A alternate sources of energy
- B production of safe plastics
- C developing hypersonic missiles
- D diagnosis of infectious diseases ✓
✓ Correct answer: (D)
Science & Technology › Biology & Health
CSE1987
ELISA test is prescribed for
- A AIDS ✓
- B Typhoid
- C Polio
- D Cancer
✓ Correct answer: (A)
Science & Technology › Biology & Health
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