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UP POLICE CONSTABLEUP POLICE CONSTABLE Hard Mock Set 2Hard GK

UP POLICE CONSTABLE Mock Test Set 2, Q39: Identify the correct answer for universal donor blood group in basic ABO-Rh system.

A. O negative
B. AB positive
C. A positive
D. B negative
Correct Answer: A. O negative
Explanation: O negative is commonly called universal donor. Category: UP POLICE CONSTABLE. Set: 2.
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