Q. No.An antibody molecule has an antigen-binding site located in the:
1.
hinge region
2.
disulfide bonds
3.
constant region of the L chains
4.
variable regions of the H and L chains
An immune process where particles such as bacteria are targeted for destruction by an immune cell known as a phagocyte is called as:
| 1. | chemotaxis | 2. | opsonization |
| 3. | cloning | 4. | anergy |
Where do the T-lymphocytes develop the ability to recognize self from non-self antigens?
| 1. | plasma cells | 2. | spleen |
| 3. | thymus | 4. | liver |
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Which of the following would be true for innate immunity?
| 1. | each time the body is exposed to a substance, the response is the same. |
| 2. | specificity and memory are involved. |
| 3. | the body may become immune to a disease. |
| 4. | antibodies may be produced. |
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A part of the immune system that enhances the ability of antibodies and phagocytic cells to clear microbes and damaged cells from an organism, promote inflammation, and attack the pathogen's cell membrane is called as:
| 1. | complement | 2. | interferon |
| 3. | lysozyme | 4. | mucus |
The term 'Health' is defined in many ways. The most accurate definition of health would be:
| 1. | Health is the state of body and mind in a balanced condition |
| 2. | Health is the reflection of a smiling face |
| 3. | Health is a state of complete physical, mental and social well-being |
| 4. | Health is the symbol of economic prosperity. |
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The organisms which cause diseases in plants and animals are called:
| 1. | Pathogens | 2. | Vectors |
| 3. | Insects | 4. | Worms |
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Diseases are broadly grouped into infectious and non-infectious diseases. In the list given below, identify the infectious diseases.
| i. | Cancer | ii. | Influenza |
| iii. | Allergy | iv. | Smallpox |
| 1. | i and ii | 2. | ii and iii |
| 3. | iii and iv | 4. | ii and iv |
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The sporozoites that cause infection when a female Anopheles mosquito bites a person, are found in:
1. liver of the person
2. RBCs of mosquito
3. salivary glands of the mosquito
4. gut of the mosquito
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