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Topic Hazardous waste
Asked 2 times across 2 UPSC exams over 6 years (2014–2020), peaking in 2014.
Key insights
- Most tested in CAPF — 1 of 2 PYQs
- Most asked in 2014
- Recurs across 2 years (2014–2020)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CAPF 2014 → CDS 2020
How the concept evolved
Long-running — most appearances (1 of 2) 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.
CDS2020
The 'Basel Convention' is aimed at protecting human health and environment against adverse effects of which of the following?
- A Hazardous wastes ✓
- B Persistent Organic Pollutants (POPs)
- C Mercury
- D Chemicals and pesticides
✓ Correct answer: (A)
Environment & Ecology › International Environmental Agreements
CAPF2014
Which of the following lamps contains a poisonous gas and therefore should be disposed safely ?
- A Compact fluorescent lamp ✓
- B Light emitting diode
- C Neon lamp
- D Halogen lamp
✓ Correct answer: (A)
Environment & Ecology › Pollution & Waste
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