The branch of biology, which involves the study of immune systems in all organisms is called_________.
- Zoology
- Microbiology
- Biotechnology
- Immunology
Monocytes differentiate into which kind of phagocytic cells?
- Neutrophil
- B cell
- T cell
- Macrophage
Which of the following immunity is obtained during a lifetime?
- Acquired immunity
- Passive immunity
- Active immunity
- None of the above.
Which of the following cells is involved in cell-mediated immunity?
- Leukaemia
- T-cells
- Mast cells
- Thrombocytes
Hepatitis is an example of _______.
- Subunit Vaccine
- Toxoids Vaccine
- Killer Vaccine
- Recombinant Vaccine
Which of the following protects our body against disease-causing pathogens?
- Respiratory system
- Digestive system
- Immune system
- Respiratory system
Which of the following statements is true about the IgM of humans?
- IgM can cross the placenta
- IgM is produced by high-affinity plasma cells
- IgM can protect the mucosal surface
- IgM is primarily restricted in the circulation
Interferons are
- Physical barriers
- Cellular barriers
- Cytokine barriers
- Physiological barriers
How many types of antibodies are there?
- Three.
- Two.
- Four.
- Five.
Which of the following cells of the immune system do not perform phagocytosis?
- Macrophage
- Basophil
- Neutrophil
- Eosinophil
