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Topic Parasitism
Asked 3 times across 2 UPSC exams over 37 years (1984–2021), peaking in 1984.
Key insights
- Most tested in CDS — 2 of 3 PYQs
- Most asked in 1984
- Recurs across 3 years (1984–2021)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 1984 → CDS 2014
How the concept evolved
Long-running — most appearances (2 of 3) 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.
CDS2021
Which one among the following is a free living animal?
- A Liver fluke
- B Wuchereria
- C Plasmodium
- D Planaria ✓
✓ Correct answer: (D)
Science & Technology › Biology & Health
CDS2014
Which one among the following pairs is not correctly matched?
- A Sandal wood plant : Partial root parasite
- B Cuscuta : Parasite
- C Nepenthes : Carnivorous
- D Mushrooms : Autotroph ✓
✓ Correct answer: (D)
Science & Technology › Biology & Health
CSE1984
Which is not a parasite?
- A Tick
- B Housefly ✓
- C Bed bug
- D Louse
✓ Correct answer: (B)
Science & Technology › Biology & Health
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