Human Health and Diseases Question 64
64. In which one of the following options the two examples are correctly matched with their particular type of immunity.
[2012]
| Examples | Types of immunity |
|
|---|---|---|
| (a) | Polymorphonuclear leukocytes and monocytes |
Cellular barriers |
| (b) | Anti-tetanus and anti- snake bite injection |
Active immunity |
| (c) | Saliva in mouth and Tear in eyes |
Physical barriers |
| (d) | Mucus coating of epithelium lining the urinogenital tract-and the HCl in stomach |
|
| Physiological barriers |
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Answer : a
Hints & Solutions
(a) Polymorphonuclear leukocytes named so, as they have multilobed nucleus or neutrophils and monocytes are the cellular barrier provide innate or nonspecific immunity. Cellular barriers are the internal defence or second live of defence.
