Q. Serum differs from blood because it lacks__
Answer: clotting factors
Notes: Serum differs from blood because it lacks clotting factors. The serum is the liquid and solute component of the blood that does not play any role in clotting. This is blood plasma without fibrinogen.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 98 in 31. Human Body - Blood, Circulation and Immune System in above course in App.