Which among the following is a bioactive molecule that is used as immunosuppressive agent in organ transplant patient obtained from Trichoderma polysporum?

Cyclosporin A

The correct answer is Option (2) – Cyclosporin A.

The bioactive molecule used as an immunosuppressive agent in organ transplant patients, obtained from Trichoderma polysporum, is Cyclosporin A.

Cyclosporin A is a potent immunosuppressive drug that is commonly used to prevent rejection in organ transplant recipients by suppressing the immune response. It is derived from the fungus Trichoderma polysporum and it temporarily reduces the activity of cells in the immune system called lymphocytes, such as T helper cells and T suppressor cells involved in the immune response.

So, the correct answer is: Cyclosporin A.