Class 12th Biology 2017 Set1 Outside Delhi Board Paper Solution
Question 8
Mention one application for each of the following:
1 Passive immunization
2 Antihistamine
3 Colostrum
4 Cytokinin-barrier
Answer
1 Passive immunization: In the case of snakebites, the injection which is given to the patients contain performed antibodies against the snake venom.
Passive immunisation provides quick immune response in the body.
2 Antihistamine: It is a pharmaceutical drug that opposes the activity of histamine reception in the body.
3 Colostrum: The yellowish fluid colostrum secreted by mother the initial days of lactation has abundant antibodies(IgA) to protect the infant.
4 Cytokinin-barrier: Virus infected cells secrete proteins called interferons which protect non-infected cells from further viral infection.
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