MCQ practice · SSC Biology Board questions · Chapter 6: Transport in Organisms
From which groups can a person of group 'B' take blood?
Think it through first, then pick an option.
- a A
- b O
- c AB
- d B, O
Answer and explanation
Correct answer: d B, O
Group B can take blood from B and O.
Why the other options are wrong
- a A: A blood carries the A antigen, which reacts with B's a antibody.
- b O: Saying only O leaves out B itself. The right choice is: B, O.
- c AB: AB blood carries the A antigen. The right choice is: B, O.
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