NEETZoologyHuman Health and Diseases
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Interferons form the cytokine barrier of innate immunity to protect non-infected cells from further viral infection. Reason (R): Interferons are specialized antibodies secreted by virus-infected cells. In the light of the above statements, choose the most appropriate answer from the options given b
Options
- ABoth (A) and (R) are correct and (R) is the correct explanation of (A)
- B(A) is correct but (R) is not correct
- CBoth (A) and (R) are correct but (R) is not the correct explanation of (A)
- D(A) is not correct but (R) is correct
Correct answer
B. (A) is correct but (R) is not correct
Step-by-step solution
Assertion (A) is correct because interferons are proteins secreted by virus-infected cells that protect adjacent non-infected cells from further viral infection. They constitute the cytokine barrier of innate immunity. Reason (R) is not correct because interferons are proteins, not antibodies. Antibodies are produced by B-lymphocytes in response to pathogens and form a part of acquired immunity, whereas interferons are part of innate immunity. Answer: (A) is correct but (R) is not correct