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SSC GD CONSTABLESSC GD CONSTABLE Hard Mock Set 3Hard GK

SSC GD CONSTABLE Mock Test Set 3, Q39: Identify the correct answer for universal donor blood group in basic ABO-Rh system.

A. A positive
B. B negative
C. O negative
D. AB positive
Correct Answer: C. O negative
Explanation: O negative is commonly called universal donor. Category: SSC GD CONSTABLE. Set: 3.
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