Consider the following statements:
Assertion(A): O group blood cells contain neither antibody A nor B
Reason(R): A person possessing the O Rh- group is known as a universal donor.
Of these statements:
Answer : D. A is false,but R is true
which one of the following is important for blood clotting?
Answer : D. Thrombocyte
Which of the following organisms has no blood put respires?
Answer : C. Hydra
Answer : C. both warm and cold blooded
For coagulation of blood,which vitamin is needed?
Answer : D. K
A man with blood group O can be given blood to
Answer : D. All