MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is meant by Apoptosis? |
| A. | Accidental Cell Death |
| B. | Programmed Cell death |
| C. | Accidental Cell division |
| D. | Programmed Cell division |
| Answer» C. Accidental Cell division | |
| 2. |
Which of the following cell surfaces do not have Major Histocompatibility complex? |
| A. | Red Blood Corpuscles |
| B. | White Blood Cells |
| C. | Helper T-cells |
| D. | Killer T-cells |
| Answer» B. White Blood Cells | |
| 3. |
Helper T-cells can be distinguished from killer T-cells by the presence of _________ |
| A. | CD-2 receptor |
| B. | CD-3 receptor |
| C. | CD-8 receptor |
| D. | CD-4 receptor |
| Answer» E. | |
| 4. |
What does T stand for in T-lymphocytes? |
| A. | Tonsils |
| B. | Thymus |
| C. | Tissue |
| D. | Thyroid |
| Answer» C. Tissue | |
| 5. |
Which of the following cells of the immune system are responsible for causing pores in the plasma membrane of antigens? |
| A. | Helper T-cells |
| B. | Killer T-cells |
| C. | Suppressor T-cells |
| D. | Memory cells |
| Answer» C. Suppressor T-cells | |
| 6. |
How can Organ transplantation rejection be prevented? |
| A. | Immunosuppressant drugs |
| B. | Depressant drugs |
| C. | Interferons |
| D. | New T-cells |
| Answer» B. Depressant drugs | |
| 7. |
B-cells produce antibodies in response to the instruction received from _________ |
| A. | Killer T-cells |
| B. | Suppressor T-cells |
| C. | Memory Cells |
| D. | Helper T-cells |
| Answer» E. | |
| 8. |
Life span of T-cells __________ |
| A. | 4-5 hours |
| B. | 4-5 days |
| C. | 4-5 weeks |
| D. | 4-5 years |
| Answer» E. | |
| 9. |
Which of the following sets include all the types of T-cells? |
| A. | Killer cells and Helper cells |
| B. | Suppressor and Cytotoxic cells |
| C. | Depressor cells, Helper cells and Memory cells |
| D. | Killer cells, Helper cells, Suppressor cells and Memory cells. |
| Answer» E. | |
| 10. |
What is the life of the effector cells of the immune system? |
| A. | A few weeks |
| B. | A few days |
| C. | A few months |
| D. | A few years |
| Answer» C. A few months | |
| 11. |
A person without thymus would not be able to reject a tissue transplant. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Number of lymphocytes present in a healthy human is ___________ |
| A. | 1 trillion |
| B. | 1 million |
| C. | 1 billion |
| D. | 10 trillion |
| Answer» B. 1 million | |
| 13. |
Which of the following is called as Competent lymphocytes? |
| A. | B-lymphocytes |
| B. | T-lymphocytes |
| C. | C- lymphocytes |
| D. | S-lymphocytes |
| Answer» C. C- lymphocytes | |
| 14. |
Which of the following mediate the CMI? |
| A. | T-lymphocytes |
| B. | Red blood corpuscles |
| C. | White Blood cells |
| D. | B-lymphocytes |
| Answer» B. Red blood corpuscles | |
| 15. |
The full form of CMI is __________ |
| A. | cell Medium Immunoglobulin |
| B. | cell-Mediated Immunity |
| C. | cyst Marked Infection |
| D. | cellular Medium Infection |
| Answer» C. cyst Marked Infection | |