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[A]: Interferons are a type of antibodie...

[A]: Interferons are a type of antibodies produced by body cells infected by bacteria.
[R]: Interferons stimulate inflammation at the site of injury

A

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B

If both Assertion and Reason are true and the Reason is not
the correct explanation of the Assertion.

C

If Assertion is true but the Reason is false.

D

If both Assertion and Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
D
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Assertion : Interferons are a type of antibodies produced by body cells infected by bacteria. Reason : Interferons stimulate inflammation at the site of injury.

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

Statement 1: Interferons are a type of anitobodies produced by body cells infected by bacteria. Statement 2: Interferons stimulate inflammation at the site of injury.

Name the type of cells that produce antibodies.

[A] : Prostaglandins are hormone like molecules produced by many body cells of mammals [R]: Prostaglandins stimulates contraction of smooth muscles, secretion and piatelet aggregation.

Assertion: Interferons are antiviral proteins Reason : Interferons are secreted by virus infected cells.

Presence of interferons in the body is indicative of infection of

Assertion: Interferons help eliminate viral infections. Reason: Interferons released by infected cells reach the nearby uninfected cells and make them resistant to viral infection.

For a disease to develop in the body the correct sequence of components of immune system that should fail to work effectively are A)Skin to Fever to B cells to antibodies to macrophage B)Mucous membrane to NK cells to B cells to antibodies to T. cells C) Tears to B cells to macrophages to antibodies to saliva D)Skin to inflammation to phagocytic cell to B cell to antibodies

Read the following statements and select the correct option. Statement 1 : Active immunity is developed when a person's own cells produce antibodies in reponse to infection or vaccine. Statement 2 : Injection of snake antivenom against snake bite is an example of active immunisation.

ICSE-HUMAN HEALTH AND DISEASE -COMPETITION CORNER (OBJECTIVE TYPE QUESTIONS) (Assertion and Reason Type Questions (For AIIMS aspirants))
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