Q. 84.5( 4 Votes )

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Answer :

A. Passive immunisation: It is a process of providing immunity to the body. It is achieved by introducing readymade antibodies into the body. It provides quick immune response to the body.

Example: Mother provides immunity to the developing baby by transferring antibodies through the placenta.

B. Antihistamines: These are the chemicals which are given against allergic reactions. Example, chlorpheniramine is used to treat allergy and itching.

C. Colostrum: It is the yellow fluid comes out from the mother’s breast just after the child birth. It contains antibodies which provide passive immunity to the new born. Examples of antibodies present in the colostrum are IgG, IgM, and IgA.

D. Cytokinin-barrier: It is a glycoprotein which protects non-infected cells from further viral infection. Example is an interferon.

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