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Topic Conservation
Asked 6 times across 3 UPSC exams over 41 years (1984–2025), peaking in 2005.
Key insights
- Most tested in CSE — 4 of 6 PYQs
- Most asked in 2005
- Recurs across 5 years (1984–2025)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 1984 → NDA 2020 → GEO 2025
How the concept evolved
Long-running — most appearances (4 of 6) 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.
GEO2025
Which one of the following statements about nature reserves is not correct?
- A These protect biodiversity.
- B These should always be small. ✓
- C A circular reserve is generally superior to an extended strip of land with the same total area.
- D Several reserves may be connected by corridors.
✓ Correct answer: (B)
Environment & Ecology › Biodiversity & Conservation
NDA2020
Which one of the following is NOT a reason of decrease in biodiversity ?
- A Large scale deforestation
- B Exploitation of forest produce ✓
- C Maintaining sacred groves
- D Encroachment in forest areas
✓ Correct answer: (B)
Environment & Ecology › Biodiversity & Conservation
CSE2005
Consider the following statements: (2005)
- Silent Valley National Park is in the Nallamalai range
- Pathrakkadava Hydroelectric Project is proposed to be built near the Silent Valley National Park
- The Kunthi river originates in Silent Valley's rainforests
Which of the statements given above is/are correct?
- A 1 and 3
- B 2 only
- C 2 and 3 ✓
- D 1, 2 and 3
✓ Correct answer: (C)
Environment & Ecology › Protected Areas & Species
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