Question

Which of the following is related to humoral immunity?

• A. T-lymphocyte
• B. B-lymphocyte
• C. Both A and B
• D. None of the above

Answer 1

Answer: (B)

B-lymphocyte

B lymphocytes are responsible for antibody-mediated immunity as different types of B cells produce antibodies. Since humor is any fluid present in body and antibodies are present in blood and lymph, B-lymphocytes mediated immunity is also called as humoral immunity. A type of T lymphocytes, the killer T cells interact directly with antigen-bearing cells to destroy them and thereby are responsible for cell-mediated immunity Immunological defence.

Likewise, helper T cells stimulate the B lymphocytes for antibody production.

Therefore, the correct answer is option B.