$A$ 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 $AB$
  • C
    Blood group $O$
  • D
    Blood group $A$

Explore More

Similar Questions

Which of the following work as phagocytes?

Mature human $RBCs$ are enucleated. Which of the following is the most appropriate explanation for this?
$(i)$ They do not need to reproduce.
$(ii)$ They are somatic cells.
$(iii)$ They do not perform metabolism.
$(iv)$ Their internal space is available for $O_2$ transport.

What is the percentage of the white blood cell shown below in the blood?

Normal haemoglobin content of a healthy man per $100 \ ml$ of blood is about

Assertion $(A)$: Blood coagulates in uninjured blood vessels.
Reason $(R)$: Uninjured blood vessels release an anticoagulant heparin.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo