MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A rare disease congenital agammaglobulinemia is caused due to abnormality in __________________ |
| A. | humoral antibody |
| B. | cell-mediated immunity |
| C. | acidic/alkaline pH |
| D. | homeostasis |
| Answer» B. cell-mediated immunity | |
| 2. |
B and T lymphocytes arise from _____________ |
| A. | hematopoietic stem cells |
| B. | germ cells |
| C. | somatic cells |
| D. | spermatocytes |
| Answer» B. germ cells | |
| 3. |
Humoral immunity is mediated by ______________ |
| A. | mast cells |
| B. | neutrophils |
| C. | lymphocytes |
| D. | leukocytes |
| Answer» D. leukocytes | |
| 4. |
Adaptive immune responses are more specific that innate immune responses. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which type of interferons is associated with an antiviral innate response? |
| A. | Type I |
| B. | Type II |
| C. | Type III |
| D. | Type IV |
| Answer» B. Type II | |
| 6. |
Which type of immune cells are responsible for eradicating intracellular pathogens? |
| A. | natural killer cells |
| B. | mast cells |
| C. | neurons |
| D. | specific lymphocytes |
| Answer» B. mast cells | |
| 7. |
Which of the following is an antimicrobial peptide synthesized by lymphocytes? |
| A. | adhesins |
| B. | condensins |
| C. | defensins |
| D. | complement |
| Answer» D. complement | |
| 8. |
Innate immune responses are accompanied by inflammation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which of the following drug acts by stimulating toll-like receptors (TLRs)? |
| A. | Doxorubicin |
| B. | Neosporin |
| C. | Aldara |
| D. | Vimentin |
| Answer» D. Vimentin | |
| 10. |
Which of the following proteins in fruit fly play the major function of dorsoventral polarity of the fly embryo? |
| A. | Toll |
| B. | NEF1 |
| C. | Transposons |
| D. | Linker DNA |
| Answer» B. NEF1 | |
| 11. |
The phagocytes can recognize pathogens by means of _____________________ |
| A. | necrosis factor |
| B. | complement activation |
| C. | pattern recognition receptors |
| D. | adhesion molecules |
| Answer» D. adhesion molecules | |
| 12. |
Which of the following group of pathogens always reside intracellularly in the host? |
| A. | virus |
| B. | fungi |
| C. | molds |
| D. | bacteria |
| Answer» B. fungi | |
| 13. |
What is not required in the innate immune responses? |
| A. | antigen |
| B. | strong immunity |
| C. | pathogen |
| D. | previous contact |
| Answer» E. | |