Question
How are auto-immune diseases different from immunodeficiency disease? Give one example of each in human.
| S. No. | Auto-immune disease | Immunodeficiency disease |
| (i) | When the immune system of the body starts attacking ‘self-cells’ and molecules. The disease is called auto-immune disease. | When the immune system fails to function properly against pathogen or antigen, it is called immunodeficiency disease. |
| (ii) | For example, rheumatoid arthritis. | For example, AIDS. |
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| Column i | Column ii |
| (1) 21 trisomy | (a) Turner’s syndrome |
| (2) X-monosomy | (b) Klinefelter’s syndrome |
| (3) Holandric traits | (c) Down’s syndrome |
| (4) Feminized male | (d) Hypertrichosis |