Blood Groups MCQs with Answers

Two brothers had different blood groups. One was blood group A and the other was blood group B. What can be concluded about their parents' blood group genotypes?

• A.Both parents must be homozygous
• B.At least one parent must be heterozygous
• C.Both parents must have blood group AB
• D.One parent must be blood group O

Red blood cells that do not contain either A or B antigens on their surface are normally found in a person with blood type _?

• A.AB
• B.O
• C.A
• D.B

Past Paper MCQ

Blood group is identified by _?

• A.Antigens
• B.Antibodies
• C.Hemoglobin
• D.Plasma proteins

According to the ABO system, how many blood groups are there?

• A.Two
• B.Six
• C.Four
• D.Eight

If a person with blood type AB marries a person with blood type O, what blood types are possible in their children?

• A.A and B only
• B.A, B, and AB
• C.A, B, AB, and O
• D.O only

Who discovered the Blood Group System?

• A.Edward Jenner
• B.William Harvey
• C.Alexander Fleming
• D.Karl Landsteiner

Past Paper MCQ

A universal donor has the blood group _?

• A.AB+
• B.O-
• C.AB-
• D.O+

A person with blood group A will have the genotype _?

• A.IAIA
• B.IAIB
• C.IAi
• D.Both A and C

A person with the following blood group is considered to be a universal recipient?

• A.O−
• B.AB+
• C.A+
• D.B−

Which blood group is known as the universal donor?

• A.A
• B.B
• C.O
• D.AB