Question : Which blood group is the universal donor?
Option 1: O+
Option 2: O-
Option 3: AB-
Option 4: AB+
Correct Answer: O-
Solution : The correct option is O-.
Blood type O negative (O-) is known as the "universal donor" because people with this blood type can donate blood to people with any ABO or Rh blood type without experiencing a severe immunological reaction. Because O- blood lacks antigens A, B, and Rh, it is less likely to produce unfavourable reactions in recipients.
Related Questions
Question : Blood group AB has
Know More about
Staff Selection Commission Combined Grad ...
Result | Eligibility | Application | Selection Process | Preparation Tips | Admit Card | Answer Key
Get Updates Brochure
Your Staff Selection Commission Combined Graduate Level Exam brochure has been successfully mailed to your registered email id “”.
