Blood Groups and Significance · NCERT Biology

Which blood group is considered the 'Universal Donor'?

  1. Group AB
  2. Group A
  3. Group B
  4. Group O
Show answer and explanation

Correct answer: Group O

Individuals with blood group O are called universal donors because their RBCs lack A and B surface antigens. This means their blood can be donated to persons with any other blood group without causing an immune reaction.

Difficulty: Medium Question 3 of 20

Practice all 20 Blood Groups and Significance questions

Keep practicing

More Blood Groups and Significance questions