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Topic Biodiversity
Asked 8 times across 4 UPSC exams over 29 years (1994–2023), peaking in 2021.
Key insights
- Most tested in CSE — 4 of 8 PYQs
- Most asked in 2021
- Recurs across 7 years (1994–2023)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 1994 → GEO 2021 → NDA 2021 → CAPF 2023
How the concept evolved
Rising — more than half its appearances (5 of 8) are since 2016.
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.
CAPF2023
The greatest diversity of animal and plant species is found in :
- A Temperate forests
- B Deserts and Savannas
- C Arctic and Alpine systems
- D Tropical moist forests ✓
✓ Correct answer: (D)
Environment & Ecology › Biodiversity & Conservation
GEO2022
Which one of the following groups contributes the maximum number of species to the biosphere?
- A Reptiles
- B Mammals
- C Insects ✓
- D Birds
✓ Correct answer: (C)
Environment & Ecology › Biodiversity & Conservation
NDA2021
Which one of the following statements about biodiversity is not correct ?
- A The term 'biodiversity' was coined by Walter G. Rosen in 1986.
- B The term 'biodiversity hotspots' was coined by Norman Myers in 1988.
- C The regions having richest biodiversity are called 'biodiversity hotspots'.
- D More than 100 hotspots of biodiversity are identified in the world. ✓
✓ Correct answer: (D)
Environment & Ecology › Biodiversity & Conservation
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