Zoology-AIDS
NEET Zoology AIDS Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 12
Assertion (A): HIV infection leads to a progressive decrease in the number of helper T-lymphocytes. | Reason (R): HIV replicates in macrophages and helper T-lymphocytes, turning them into virus-producing factories.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.
Correct Answer
Option A
Detailed Explanation
The NCERT context describes how HIV enters into macrophages and helper T-lymphocytes, leading to their use as virus-producing factories, which explains the decrease in helper T-lymphocytes.
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