Official Answer Key & Detailed Solution
Ready to check the official UPSC Answer Key?
Click any option above to test yourself under exam conditions, or reveal the explanation directly.
Correct Answer: Option (D) — non-clotting of blood
Concept & Option Breakdown
Standard Reference VerifiedHaemophilia is an inherited genetic condition characterized by the absence or functional deficiency of specific clotting factors (Factor VIII in Type A, Factor IX in Type B), resulting in impaired coagulation and non-clotting or delayed clotting of blood.
Practice Full-Length & Sectional Prelims Mocks on this Interface
50 simulated tests in the APT Prelims Test Series (₹1,493) or 1-on-1 Mentorship with Avinash Sir.