MCQ practice · SSC Biology Board questions · Chapter 6: Transport in Organisms
Which antibody is in group B blood?
Think it through first, then pick an option.
- a b
- b a
- c None
- d a, b
Answer and explanation
Correct answer: b a
Group B holds the a antibody.
Why the other options are wrong
- a b: With b it would react with its own B antigen.
- c None: Group B does have an antibody; only AB has none.
- d a, b: Both a and b belong to group O. The right choice is: a.
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