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Class 12 Biology Practice Test: Human Health and Disease - Cell Mediated Immunity
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Avg score: 66% • Most missed: “Life span of T-cells __________”
Class 12 Biology Practice Test: Human Health and Disease - Cell Mediated Immunity
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15 Questions

1. Which of the following sets include all the types of T-cells?
2. Number of lymphocytes present in a healthy human is ___________
3. Helper T-cells can be distinguished from killer T-cells by the presence of _________
4. Life span of T-cells __________
5. What does T stand for in T-lymphocytes?
6. Which of the following mediate the CMI?
7. Which of the following is called as Competent lymphocytes?
8. How can Organ transplantation rejection be prevented?
9. What is the life of the effector cells of the immune system?
10. Which of the following cell surfaces do not have Major Histocompatibility complex?
11. Which of the following is called as Competent lymphocytes?
12. Which of the following mediate the CMI?
13. Helper T-cells can be distinguished from killer T-cells by the presence of _________
14. Number of lymphocytes present in a healthy human is ___________
15. A person without thymus would not be able to reject a tissue transplant.

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