Q. What fraction of Human Blood is Plasma?
Answer: 55%
Notes: Blood plasma is the liquid component of whole blood, and makes up approximately 55% of the total blood volume. It is composed primarily of water with small amounts of minerals, salts, ions, nutrients, and proteins in solution. In whole blood, red blood cells, leukocytes, and platelets are suspended within the plasma.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 16 in 31. Human Body - Blood, Circulation and Immune System in above course in App.