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Topic biodiversity loss
Asked 2 times across 2 UPSC exams over 3 years (2012–2015), peaking in 2012.
Key insights
- Most tested in CSE — 1 of 2 PYQs
- Most asked in 2012
- Recurs across 2 years (2012–2015)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 2012 → CDS 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.
CDS2015
Which of the following statements is/are correct with regard to the Living Planet Report – 2014 (Species and Spaces, People and Places) released by World Wildlife Fund (WWF) ?
- The Living Planet Index (LPI), which measures more than 10,000 representative populations of mammals, birds, reptiles, amphibians and fish, has declined by 52% since 1970
- The most dramatic regional LPI decrease occurred in Africa
Select the correct answer using the code given below :
- A 1 only ✓
- B 2 only
- C Both 1 and 2
- D Neither 1 nor 2
✓ Correct answer: (A)
Environment & Ecology › Biodiversity & Conservation
CSE2012
Which of the following can be threats to the biodiversity of a geographical area?
- Global warming
- Fragmentation of habitat
- Invasion of alien species
- Promotion of vegetarianism
Select the correct answer using the codes given below :
- A 1, 2 and 3 only ✓
- B 2 and 3 only
- C 1 and 4 only
- D 1, 2, 3 and 4
✓ Correct answer: (A)
Environment & Ecology › Biodiversity & Conservation
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