A. 11 December
B. 11 July
C. 25 November
D. 14 June
✅ The correct answer is option D.
World Blood Donor Day is observed on 14 June every year, aims to create awareness across the world about the need for safe blood and life – saving components of blood required for transfusion.
World Blood Donor Day is observed on 14 June every year, aims to create awareness across the world about the need for safe blood and life – saving components of blood required for transfusion.