Question

Which cell of immune system cause pore formation at the surface of the plasma membrane?

• A. Helper T cell
• B. Killer T cell
• C. Suppressor T cell
• D. B cell

Answer 1

The correct option is B Killer T cell

Perforin is a pore forming protein released by the granules of cytotoxic T lymphocytes or killer T-cells and NK cells. Upon degranulation, perforin inserts itself into the target cell's plasma membrane forming a pore.
Thus, the correct answer is option B.