Advertisements
Advertisements
प्रश्न
Why is secondary immune response more intense than the primary immune response in humans?
Advertisements
उत्तर
The secondary immune response is more intense than the primary immune response in humans because the memory B cells deal with the invading microbes by producing antibodies. The cells of the body remember that they have previously encountered this type of infection.
APPEARS IN
संबंधित प्रश्न
It is generally observed that the children who had suffered from chicken–pox in their childhood may not contract the same disease in their adulthood. Explain giving reasons the basics of such immunity in an individual. Name this kind of immunity.
Name any two types of cells that act as ‘cellular barriers’ to provide innate immunity in humans.
Mention role of interferons
Expand the following: SCID
Sketch and label structure of Antibody
Name the following:
The category of immunity required in the treatment of snake-bite.
Write the full forms of AIDS.
Write the full forms of: HIV
Give the technical term for the kind of proteins produced in the blood to fight and destroy harmful micr
Answer the following question:
The principle of vaccination is based on the property of the "memory" of the immune system. Taking one suitable example, justify the statement.
State the function of interpherons.
What are congenital diseases?
Explain the various types of acquired immunity.
In acquired immunity there is a specific mechanism for each foreign molecule. This property is known as _______.
Virally infected cells release ______ to protect healthy cells from viral infection.
T-lymphocytes and B-lymphocytes are derived from ____________.
______ is secreted by killer T - cells.
All are forms of vaccines, EXCEPT ______.
What is the site of maturation of B-lymphocytes?
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 |
