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 the placenta
A. 1, 2 and 3 are correct
B. 1, 2 and 4 are correct
C. 1, 3 and 4 are correct
D. 1 and 3 are correct
Answer: Option B
This Question Belongs to Biology GK Chapter Wise >> Human Diseases
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