MCQ practice · SSC Biology Board questions · Chapter 6: Transport in Organisms
Which is correct for Sohag's blood?
Think it through first, then pick an option.
- a Has a and b antibodies
- b Has no antigen
- c Has A and B antigens
- d Has only the A antigen
Answer and explanation
Correct answer: c Has A and B antigens
Sohag is AB; his red cells carry both the A and B antigens.
Why the other options are wrong
- a Has a and b antibodies: AB has no antibody. The right choice is: Has A and B antigens.
- b Has no antigen: AB does have antigens; having none describes group O.
- d Has only the A antigen: Only A would make it group A. The right choice is: Has A and B antigens.
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