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प्रश्न
Mucous membrane trapping the microbes acts as a ---------------
पर्याय
physiological barrier
physical barrier
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उत्तर
Mucous membrane trapping the microbes acts as a physical barrier.
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संबंधित प्रश्न
Name any two types of cells that act as ‘cellular barriers’ to provide innate immunity in humans.
Highlight the role of thymus as a lymphoid organ.
Summarise the process of vaccine production
It is said that vaccinations are a must for a healthy society. Justify.
How does the human body respond when vaccine is introduced into it?
Given below is a scheme of classifying immunity against human diseases. Fill up the types of immunity in the blanks 1-9.
Which one of the following is the most accurate definition of the term ‘health’?
A similar disease generally does not reappear in a child due to the presence of which type of cells?
Virally infected cells release ______ to protect healthy cells from viral infection.
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 |
