Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain
gamma globulin
attenuated pathogens
activated pathogens
harvested antibodies.
Assertion : Interferons are a type of'antibodies produced by body cells infected by bacteria.
Reason : Interferons stimulate inflammation at the site of injury.
The toxic substances produced by the foreign bodies are known as
Which is incorrect pair on basis of its role in immune system?
Give differences: $T$-lymphocytes and $B$-lymphocytes
Some people who have suffered from a disease may not be affected again during their life time; such immunity is called