Identify the wrong statement with reference to immunity.
Foetus receives some antibodies from mother, it is an example for passive immunity.
When exposed to antigen (living or dead) antibodies are produced in the host's body. It is called "Active Immunity".
When ready-made antobodies are directly given, it is called "Passive immunity".
Active immunity is quick and gives full response.
What is the role of spleen in Human body?
Assertion : Interferons are effective against viruses.
Reason : Proteins which can be synthesized only by genetic engineering are effective against viruses.
When an organ is transplanted and is rejected by the body, the lymphocytes are produced by
An 'antigen' is
Definitions / Explanation : Antingen & Lymphoid organs.