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प्रश्न
Define health.
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उत्तर
Health is defined as the state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity.
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संबंधित प्रश्न
Name any two types of cells that act as ‘cellular barriers’ to provide innate immunity in humans.
Discuss with your teacher what does ‘a suitable gene’ means, in the context of DNA vaccines.
Mention role of interferons
It is said that vaccinations are a must for a healthy society. Justify.
Both B-cells and T-cells are derived from __________.
Describe the different types of immunity.
Which cells are play a major role in non-specific defence against viral infections and tumors?
Match column I with column II and choose the correct option.
| Column I | Column II | ||
| i. | Specificity | a. | Lymphocytes produced against each particular foreign molecule |
| ii. | Diversity | b. | Self-cells are not attacked by immune system of the own body |
| iii. | Memory | c. | Immune system works against multiple pathogens |
| iv. | Discrimination between self and non-self | d. | Stronger immune response on second encounter |
______ provides a physical barrier.
Which of the following components does not participate in innate immunity?
