- 1(current)
Q. No.Transmission of HIV infection can generally occur by all of the following means except:
| 1. | sexual contact with the infected person |
| 2. | by transfusion of contaminated blood and blood products |
| 3. | from infected mother to her child through placenta |
| 4. | mosquito bite |
Subtopic: AIDS |
94%
From NCERT
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During the progression of HIV infection, when the population of T helper cells is significantly reduced:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | the person suffers from bouts of fever, diarrhoea and weight loss. |
| II: | the person starts suffering from infections that could have been otherwise overcome |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: AIDS |
80%
From NCERT
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What is the primary mode of transmission for HIV, the virus that causes AIDS?
1. Through contaminated food and water.
2. By airborne pathogens.
3. Through direct contact with open wounds.
4. Sexual contact and sharing needles/syringes.
1. Through contaminated food and water.
2. By airborne pathogens.
3. Through direct contact with open wounds.
4. Sexual contact and sharing needles/syringes.
Subtopic: AIDS |
97%
From NCERT
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HIV, the virus that causes AIDS, primarily targets:
| 1. | The heart and blood vessels |
| 2. | The brain and nervous system |
| 3. | The liver and kidney cells |
| 4. | Helper T cells and macrophages of the immune system |
Subtopic: AIDS |
98%
From NCERT
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- 1(current)
Q. No.
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