Question

"1)Highilght the role of thymus as a lymphoid organ?
2)Name the cell that are released from the above mentioned glands.Mention how they help in immunity?

class 12th CBSE Biology sample paper

Answer 1

T-cells .............

Answer 2

1) thymus is a primary lymphoid organ of immune system .

maturation of lymphocytes occurs in T-cells produced in the bone marrow gets mature in thymus and are released from here

.

2)T-cells are released from thymus, upon maturation.

 they themselves do not produce antibodies, but help B-cells to produce them .

They are also responsible for Cell Mediated Immune Response (CMI)