Question

Assertion (A): HIV-infected persons are prone to opportunistic diseases.

Reason (R): Immune system weakens during HIV infection.

पर्याय

• 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.

Answer 1

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

Explanation:

HIV destroys T-helper cells and weakens immune defence. As a result, infections that a healthy immune system would usually control can become opportunistic diseases.