What is interferon
A type of plasmid
A type of protein
A type of gene
A type of hormone
(b) Interferon is a protein which is released by host cells when a virus enters the cell.
Select the lymphoid organs from the given choices
$I$. Lymph node $II$. Thymus gland
$III$. Red bone marrow $IV$. liver
$V$. Spleen $VI$. Osteocytes
$VII$. Peyer's patches
The correct option with correct choices is
The principle of Vaccination and Immunization is based on which property?
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.
Given below the diagrammatic representation of lymph nodes
Label $A, B$ and $C$
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