This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Surface Immunoglobulin is found in which cell ? 
Select and explain. 
A. T-cell, B. B-cell, C. NK cell, D. Plasma cells
B: B-cell
Answer: B: B-cell 
Explanation: Ans is b' i.e. B-cell B cells recognize antigen the B-cell antigen receptor complex.Ig M and Ig D, present on the surface of all naive B cells, constitute the antigen binding component of B-cell receptor complex.After antigenic stimulation, B cells form plasma cells that secret immunoglobulin.