Question

Blood plasma contains

• A. 60% water
• B. 80% water
• C. 90% water
• D. 98% water

Answer 1

Answer: (C)

90% water

Blood cells are suspended in blood plasma. Plasma which constitutes 55% of blood fluid is mostly water that is around 90% by volume and contains proteins, glucose, mineral ions, hormones, carbon dioxide, and waste materials (like urea).
Thus, the correct answer is option (C).