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UP POLICE CONSTABLEUP POLICE CONSTABLE Hard Mock Set 5Hard GK

UP POLICE CONSTABLE Mock Test Set 5, Q39: Identify the correct answer for universal donor blood group in basic ABO-Rh system.

A. AB positive
B. A positive
C. B negative
D. O negative
Correct Answer: D. O negative
Explanation: O negative is commonly called universal donor. Category: UP POLICE CONSTABLE. Set: 5.
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