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STD 11 - 15. Body fluids and criculations — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 15. Body fluids and criculations1 Mark
MCQ
A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor ?
  • A
    Blood group $B$
  • B
    Blood group $AB$
  • ✓
    Blood group $ O$
  • D
    Blood group $A$
✓

Answer

Correct option: C.
Blood group $ O$
c
(c) : The blood group was $O$. The person having $O$ blood group is universal donor. It lacks both antigens $‘A’$ and $‘B’$ thus does not cause agglutination or clumping of blood cells when transfused into person with any of the four blood groups.

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