The type of immunity responsible for graft rejection by a recipient body is
1. Innate immunity
2. Humoral immunity
3. Cell mediated immunity
4. Either 2 or 3
The secretion of antibodies by B lymphocytes provides:
1. Passive immunity
2. Humoral immunity
3. cell mediated immunity
4. Innate immunity
Primary lymphatic organs serve as the site for:
| 1. | antibody formation |
| 2. | lymph formation |
| 3. | lymphocytes to encounter and bind to antigens |
| 4. | lymphocyte formation and maturation |
In the given diagram, A and B represent respectively:
1. The N and the C terminus of the polypeptide
2. The C and the N terminus of the polypeptide
3. The constant and variable regions of the antibody molecule
4. The variable and constant regions of the antibody molecule
Consider the following statements:
| I: | Innate immunity is non-specific type of defence, that is present at the time of birth. |
| II: | Acquired immunity is pathogen specific and is characterized by memory |
| III: | Memory-based acquired immunity developed in higher vertebrates based on ability to distinguish self from non-self |
Which of the following statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections?
| 1. | Autoimmune response |
| 2. | Cell-mediated immune response |
| 3. | Hormonal immune response |
| 4. | Physiological immune response |
Grafted kidney may be rejected in a patient due to
1. Humoral immune response
2. Cell-mediated immune response
3. Passive immune response
4. Innate immune response
The cell-mediated immunity inside the human body is carried out by
1. T-lymphocytes
2. B-lymphocytes
3. thrombocytes
4. erythrocytes
Which one of the following acts as a physiological barrier to the entry of microorganisms
in human body?
1. Tears
2. Monocytes
3. Skin
4. Epithelium of urogenital tract
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