English

Assertion (A): Interferons are a type of antibodies produced by the body cells infected by bacteria. Reason (R): Interferons stimulate inflammation at the site of injury.

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Question

Assertion (A): Interferons are a type of antibodies produced by the body cells infected by bacteria.

Reason (R): Interferons stimulate inflammation at the site of injury.

Options

  • Both assertion (A) and reason (R) are true, and reason is the correct explanation of assertion.

  • Both assertion (A) and reason (R) are true, but reason is not the correct explanation of assertion.

  • Assertion (A) is true but reason (R) is false.

  • Both assertion (A) and reason (R) are false.

MCQ
Assertion and Reasoning
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Solution

Both assertion (A) and reason (R) are false.

Explanation:

Interferons are antiviral glycoproteins released mainly by virus-infected cells; they are not antibodies produced in response to bacteria. They help nearby cells resist viral infection rather than acting as injury-site inflammatory signals.

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Chapter 10: Human Health and Diseases - EXERCISES [Page 606]

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Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 10 Human Health and Diseases
EXERCISES | Q VI. 7. | Page 606
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