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HIV decreases natural immunity of body by
Options
(a) attacking T-lymphocytes
(b) attacking B-lymphocytes
(c) destroying antibodies
(d) destroying erythrocytes
Correct Answer:
attacking T-lymphocytes
Explanation:
After infection HIV starts to destroy the T- cells (T-helper lymphocytes) T. cells are very important for the immune system. In the early stage of infection, the decline in numbers of T. cells is observed.
Related Questions: - Adiantum is called walking fern because
- CO fixation in bundle sheath cells occurs in
- To obtain virus- free healthy plants from a diseased one by tissue culture technique,
- Which one of the following is not a gaseous biogeochemical cycle in ecosystem ?
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Topics: Human Health and Disease
(70)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Adiantum is called walking fern because
- CO fixation in bundle sheath cells occurs in
- To obtain virus- free healthy plants from a diseased one by tissue culture technique,
- Which one of the following is not a gaseous biogeochemical cycle in ecosystem ?
- which of the following statement is not true with reference to mitochondria
Topics: Human Health and Disease (70)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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