HomePPSC Past PapersRed colour of blood is because of the presence of: 10. Red colour of blood is because of the presence of:By Admin / September 20, 2025 A. Iron pigment B. Haemoglobin C. Copper D. Vitamins ✅ The correct answer is option Haemoglobin.
38. Which article of the 1973 constitution of Islamic Republic of Pakistan prohibits all forms slavery, Forced labour and child labour Leave a Comment / PastPaper 02, PPSC Past Papers / By Admin