Question

Mention one application for each of the following:
(a) Passive immunization
(b) Antihistamine
(c) Colostrum
(d) Cytokinin-barrier [2]

Answer 1

(a) Preformed antibodies are supplied for quick response in case of infection by deadly microbes like tetanus or snake bite. [0.5]

(b) Antihistamine is used to reduce symptoms of allergy. [0.5]

(c) Colostrum provides passive immunity in the form of IgA antibodies to the new born. [0.5]

(d) Cytokinin-barrier provides protection to non-infected cells from further viral infection. [0.5]