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Topic Nutrition modes
Asked 2 times across 2 UPSC exams over 2 years (2023–2025), peaking in 2023.
Key insights
- Most tested in CDS — 1 of 2 PYQs
- Most asked in 2023
- Recurs across 2 years (2023–2025)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2023 → GEO 2025
How the concept evolved
Rising — more than half its appearances (2 of 2) 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.
GEO2025
Which of the following organisms ingest dead organic matter and then digest internally and absorb the nutrients?
- A Detritivores only ✓
- B Saprotrophs only
- C Both detritivores and saprotrophs
- D Chemotrophs
✓ Correct answer: (A)
Science & Technology › Biology & Health
CDS2023
Which one of the following is a saprophyte ?
- A Cuscuta
- B Rhizopus ✓
- C Spirogyra
- D Grass
✓ Correct answer: (B)
Science & Technology › Biology & Health
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