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Topic Blood coagulation
Asked 2 times across 2 UPSC exams over 1 years (2024–2025), peaking in 2024.
Key insights
- Most tested in CDS — 1 of 2 PYQs
- Most asked in 2024
- Recurs across 2 years (2024–2025)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2024 → NDA 2025
How the concept evolved
Rising — more than half its appearances (2 of 2) are since 2016.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
NDA2025
Clotting of blood involves which one among the following clotting proteins?
- A Pathogen
- B Fibrinogen ✓
- C Macrophage
- D Phagocytes
✓ Correct answer: (B)
Science & Technology › Biology & Health
CDS2024
From which among the following are blood clotting factors released?
- A RBCs
- B Eosinophils
- C Platelets ✓
- D Monocytes
✓ Correct answer: (C)
Science & Technology › Biology & Health
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