Question

A person with blood group A can (a) donate blood to, and (b) receive blood from,

• A. (a) person with blood group AB (b) persons with any blood group
• B. (a) person with blood group A or AB(b) A or O blood groups
• C. (a) person with blood group B or AB(b) B or O blood groups
• D. (a) person with any blood group(b) O blood group only

Answer 1

The correct option is B (a) person with blood group A or AB

(b) A or O blood groups

• The person with the blood group A will have antigen A and antibody b. The person can donate blood to the persons having the blood group A or AB.
• He can receive blood from A or O blood group. The donation and the receiving of the blood groups are decided with the compatibility of the antigens and the antibodies so that they do not react and cause coagulation.
  

Thus, the correct answer is option B.