MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Name the major constituents of cytotoxic T-lymphocyte? |
| A. | Lysozyme |
| B. | Lymph |
| C. | Protein |
| D. | Perforin and granzyme |
| Answer» E. | |
| 2. |
Mark the correct role of cytosolic T-cells. |
| A. | Help in B-cell activation |
| B. | Produce cytotoxin |
| C. | Proliferate T-cell |
| D. | Kill the target cell |
| Answer» E. | |
| 3. |
Cytokinin which acts as a growth factor of B-cell is________ |
| A. | IFNγ |
| B. | IL-10 |
| C. | IL-13 |
| D. | TNFβ |
| Answer» D. TNF‚âà√≠‚Äö√¢¬ß | |
| 4. |
Name the cytokines which act as a T-cell growth factor? |
| A. | IL-3 |
| B. | IL-2 |
| C. | IL-4 |
| D. | IL-5 |
| Answer» C. IL-4 | |
| 5. |
Which of the following steps is NOT involved in the activation of T-cell? |
| A. | Double positive cell converts to single positive T-cell |
| B. | Foreign peptide bound to MHC provide signals |
| C. | CD28 of TCR interacts with B7 of APC |
| D. | CD23 has ITAM, which transducer signals |
| Answer» B. Foreign peptide bound to MHC provide signals | |
| 6. |
Name the syndrome occurs in children due to deficiency of the thymus. |
| A. | Acromegaly |
| B. | Gigantism |
| C. | Cushing syndrome |
| D. | DiGeorge syndrome |
| Answer» E. | |
| 7. |
Coreceptor CD3 is used to bind antigen. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which of the tracing is NOT the role of T-cell receptor complex? |
| A. | α and β chain |
| B. | CD3 |
| C. | CD19 |
| D. | CD40L |
| Answer» D. CD40L | |