Multiple choice

Assertion: A, B, AB and O are the blood groups. Reason: The pH of the human blood is maintained between 7.36-7.42 by the action of blood buffers.

  1. Both A and R are true and R is the correct explanation of A.

  2. Both A and R are true but R is NOT the correct explanation of A.

  3. A is true but R is false.

  4. A is false but R is true.

  5. Both A and R are false.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This option is correct,  because assertion and reason both are correct,  but correct explanation is: human blood groups differ due to different glycoproteins attached to the blood cells.

Keep practicing — related questions