67ᵗʰ B.P.S.C. (Pre) 2022
In transfusion, blood must be compatible not only in blood type, but also in -
aRh factor✓ Correct
bthe number of white cells
cthe number of red cells
drace of the donor and recipient
enone of the above / more than one of the above
Explanation
In blood transfusion, along with the blood group, the Rh factor must also be compatible. The Rh factor was discovered by Landsteiner and Wiener in the blood of the rhesus monkey.
general-science