Prepare for NEET Biology Body Fluids And Circulation (Blood Groups) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert help to understand ABO, Rh typing, and transfusion compatibility.
NEET Questions / Zoology / Body Fluids And Circulation / Blood Groups
A person with blood group A receives a transfusion of blood group B. Which of the following is the MOST IMMEDIATE consequence due to the preformed antibodies in the recipient's plasma?
Production of anti-A antibodies
Agglutination of the donor red blood cells
Production of anti-Rh antibodies
No reaction
A pregnant woman with blood group O negative and her fetus is Rh positive. During her second pregnancy, which specific antibody crosses the placenta and causes erythroblastosis fetalis?
Anti-A IgM
Anti-B IgG
Anti-D IgG
Anti-O IgM
In a paternity dispute, the mother has blood group AB and the child has blood group O. Which of the following blood groups COULD NOT be the father's?
A
B
AB
O
Which rare blood group phenotype arises from the absence of H substance, preventing the expression of A and B antigens even with the presence of or alleles?
Para-Bombay phenotype
Bombay phenotype
Rh null phenotype
Secretor phenotype
A patient needs a blood transfusion. Their blood sample agglutinates with anti-A and anti-B sera but not with anti-D serum. What is the SAFEST blood group for transfusion to this patient, considering both ABO and Rh factors?
A positive
B negative
AB negative
O negative
A person with the genotype marries a person with the genotype . What is the probability of their child having the O blood group phenotype?
1/8
1/4
0
1/2
A person with blood group AB can donate blood to individuals with which blood group(s)?
A
B
O
AB
A child with blood group O has a mother with blood group B. Which of the following genotypes is NOT possible for the father?
OO
AO
BO
AB
Which antibodies are present in the plasma of a person with blood group A?
Anti-A
Anti-B
Anti-A and Anti-B
Neither Anti-A nor Anti-B
