Tag: bio-chemistry

Quizzes (82) Questions (1918)

Questions Related to bio-chemistry

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

A man with blood group AB' marries a woman withO' blood group. In this situation

  1. The blood groups of their children will be the same as that of the mother

  2. The blood group of the children differs from both the parents

  3. While 50% of children will have father's blood group, the remaining will have mother's blood group

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When a man with blood group "AB" marries a woman with "0" blood group then blood group of children will be A' orB' which is differ from parental blood group. 

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

A child of blood group O cannot have parents of blood groups

  1. AB and AB/O

  2. A and B

  3. B and B

  4. O and O.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A child with blood group O must have the genotype OO, inheriting one O allele from each parent. Parents with AB blood group cannot pass on an O allele, so they cannot have an O child.

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

Blood transfusion is possible between groups

  1. Donor A and recipient O

  2. Donor B and recipient A

  3. Donor AB and recipient O

  4. Donor AB and recipient AB
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Blood transfusion is safe when the recipient does not have antibodies against the donor's antigens. AB individuals have both A and B antigens, so they can receive blood from AB donors (as they have no anti-A or anti-B antibodies).

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

What cannot be the blood groups of the parents of a baby having blood group A?

  1. O and O

  2. O and A

  3. A and O

  4. A and A.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A child with blood group A can have genotype AA or AO. If parents are O (OO) and O (OO), they can only produce O children. Therefore, O and O parents cannot have an A child.

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

O blood group is universal donor because the blood has

  1. Antigen A

  2. Antigen B

  3. Both antigens A and B

  4. No antigens.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Individuals with blood group O have neither A nor B antigens on their red blood cells, which prevents the recipient's antibodies from reacting with the donor's cells.