Column -A(Antibody Type) Column -B (Found in)
i. IgA 1. Blood and extracellular fluid
ii. IgG 2. Surface of immature B cells
iii. IgD 3. Basophils and mastocytes
iv. IgE 4. Mucosal secretions like saliva, tears, and breast milk
Correct Answer: C
Explanation:
IgA -> Mucosal secretions, IgG > Blood, IgD > Immature B cells, IgE > Allergy & mast cells.