Human Health and Diseases Question 75
75. The cell in the human body invaded by the human immuno-deficiency virus (HIV) is
[1999, 2006]
(a) T-helper cell
(b) Erythrocyte
(c) B-cell
(d) Macrophage
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Answer : a
Hints & Solutions
(a) AIDS is characterized by reduction in the number of helper T- lymphocytes because of HIV infection. It suppresses human immune system due to which any secondary infection may lead to death. T-lymphocytes are main cells of immune system.
