Q. What is true about T-lymphocytes is mammals?
A) They scavenge damaged cells and cellular debris
B) These are produced in thyroid
C) There are three main types-cyctotoxic T-cells, helper T-cells and suppressor T-cells
D) These originate in lymphoid tissues
Explanation
The function of T-cells is to provide immunity (cellular type) and not to scavenge damaged cells and cells and cell debris. These are produced in bone marrow and mature in thymus. Hence, the only true statement is that there are three types of T-cells, i.e., cytotoxic, helper and suppressor.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.