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Question

Consider the following statements.
AIDS is transmitted
1. By sexual intercourse.
2. By blood transfusion.
3. By mosquitoes and other blood-sucking insects.
4. Across placenta.

A
1, 2 and 3 are correct
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B
1, 2 and 4 are correct
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C
1, 3 and 4 are correct
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D
All of the above
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Solution

The correct option is D 1, 2 and 4 are correct
Human immunodeficiency virus, or HIV, is a human retrovirus that infects lymphocytes and causes AIDS. It spreads through body fluid by sexual intercourse, blood transfusion and through the placenta. Thus, the correct answer is option B.

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