Question

Which one of these blood-types is called the 'universal donor type' because it is compatible with all other blood type?

O-positive
O-negative
A positive
AB-positive

Answer 1

The blood group “ O – ( negative ) ” is called the universal donor because people with this blood group can donate blood to anyone with any blood group.

This is due to the presence of all types of RBCs.

Thus the correct option from the ones given in the question is O – ( negative ).

Answer 2

$\mathbb{Answer :}$

$<b><i><u>$

The blood group which is known as the $\mathbf{ Universal \: Donor }$ is $\mathbf{ O - Negative. }$

It is because, all types of $\mathbf{RBCs }$ are present in this blood group. A person with this blood group can donate blood to any person with any blood group in the whole world.

Therefore, $\mathbf{O - Negative}$ is the blood group which is compatible with all other blood groups!

$\mathbb{ Thanks!}$