This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
The process of transfer of cell mediated immunity from one individual to other is 
Select and explain. 
A. Innate immunity, B. Acquired immunity, C. Herd immunity, D. Adoptive immunity
D: Adoptive immunity
Answer: D: Adoptive immunity 
Explanation: Adoptive immunity occurs following injection of immunologically competent T-Lymphocytes known as transfer factor.