Of the blood groups A, B, AB and O, which one is transfused into a person whose blood group is A?

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Of the blood groups A, B, AB and O, which one is transfused into a person whose blood group is A? Answer: Group A and O

Question context

This question is part of 📚 General Knowledge within the broader 🌐 Current Affairs & GK subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.