Which of the following is also sometimes called as mosquito fish?
1. | Bombay duck | 2. | Gambusia |
3. | Pacific salmon | 4. | Pomfret |
What is incorrect regarding innate immunity?
1. | It is present at the time of birth |
2. | Physiological barriers prevent microbial growth |
3. | Natural killers, a cellular barrier, are a type of monocyte |
4. | It is a non-specific type of defense |
B cells:
1. | Do not produce antibodies but help T cells produce them |
2. | Are pathogen specific but do not retain the memory of previous encounters |
3. | Lack ability to distinguish between self and non-self |
4. | Are involved in humoral immune response |
In an antibody molecule, an antigen binding site is located:
1. In the constant portion
2. At the C – terminus of a heavy chain
3. Between a light and a heavy chain
4. Between two heavy chains
Active immunity develops when:
1. | A host is exposed to antigens |
2. | Antigen presenting cells first encounter the antigen |
3. | T helper cells activate B cells to produce antibodies |
4. | When a child gets vaccinated for the first time |
A foetus receiving some antibodies from mother through placenta is an example of:
1. | Naturally acquired active immunity |
2. | Artificially acquired active immunity |
3. | Artificially acquired passive immunity |
4. | Naturally acquired passive immunity |
The principle of immunization or vaccination is based on which property of the immune system?
1. Specificity
2. Memory
3. Ability to recognize self from non-self
4. Cooperation between innate and adaptive immunity
What type of immunity is used in the treatment of a patient of snakebite?
1. | Naturally acquired active immunity |
2. | Artificially acquired active immunity |
3. | Artificially acquired passive immunity |
4. | Naturally acquired passive immunity |
A drug that would not be helpful in the treatment of allergies is:
1. | Antibiotics | 2. | Antihistaminics |
3. | Steroids | 4. | Adrenaline |
1. | Bone marrow & Spleen | 2. | Bone marrow & Thyroid |
3. | Lymph nosed & Spleen | 4. | Bone marrow & thymus |