Assertion : Interferons are effective against viruses.
Reason : Proteins which can be synthesized only by genetic engineering are effective against viruses.
For an organ transplant, it is an advantage to have an identical twin. Why ?
Give scientific reasons : Autoimmune diseases are different from immune deficiency diseases.
Choose the true statements
$I.$ Innate immunity is accomplished by providing different types of barriers
$II.$ Acquired immunity is present from the birth and is inherited from parents
$III.$ Sweat, tears, acid in the stomach and saliva prevent microbial growth
Immune activities defence mechanism for different diseases is known as