Question

Assertion : Blood group 'O' have anti-A and anti-B antibodies.

Reason : It does no't have any antigens.

(a) Both A and R are true and R is the correct explanation of A.

(b) Both A and R are true but R is not correct explanation of A

(c) A is true but R is false

(d) A and R are false

Answer 1

The correct option is (b) Both A and R are true but R is not correct explanation of A.

Explanation:

If a person is injured, he should be given blood. The blood group O can be given to a patient of any blood group (if both donor and patient are Rh compatible). Blood group O has anti A and anti B antibodies in serum but no antigens. Due to the absence of antigens, O blood group can be recognised as tire universal donor.