Get Answers to all your Questions

header-bg qa

(a) 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 basis of such an immunity in an individual. Nname this kind of community.

(b) What are interferons? Mention their role.

 

 

 

 
 
 
 
 

Answers (1)

(a) First infection of chicken pox produce a primary response and antibodies are generated against chicken pox virus, subsequent evacutes with the same virus elicits highly intensified secondary response, due to the memory cells formed during the first encounter, active immunity.

(b) Proteins secreted by viral infected cells from viral infected cell which protect non infected cells from viral  infection/ where \alpha - interferon is given to cancer patient (it activates immune system), destorys tumor.

 

Posted by

Priyanka Kumari

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads