Consider the following statements : AIDS is transmitted I. > by sexual intercourse. II. > by blood transfusion. III. > by mosquitoes and other blood sucking insects. IV. > across the placenta. Of these statements

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Q: 110 (IAS/1996)
Consider the following statements : AIDS is transmitted
I. by sexual intercourse.
II. by blood transfusion.
III. by mosquitoes and other blood sucking insects.
IV. across the placenta.
Of these statements

question_subject: 

Science

question_exam: 

IAS

stats: 

0,52,61,21,52,36,4

keywords: 

{'aids': [4, 0, 1, 3], 'iv': [6, 110, 77, 8], 'blood transfusion': [1, 0, 1, 0], 'other blood sucking insects': [0, 1, 0, 0], 'placenta': [1, 0, 0, 0], 'mosquitoes': [3, 0, 1, 1], 'sexual intercourse': [0, 1, 0, 0]}

AIDS, which stands for Acquired Immune Deficiency Syndrome, is caused by the Human Immunodeficiency Virus (HIV). The virus is primarily transmitted through:

I. Sexual intercourse: This is one of the most common ways HIV is transmitted, especially through unprotected sex. It is correct.

II. Blood transfusion: HIV can also be transmitted through the transfusion of contaminated blood. Thus, this option is correct.

III. Mosquitoes and other blood-sucking insects: There is no evidence to suggest that AIDS can be transmitted through mosquitoes or other blood-sucking insects. An infected mosquito does not inject HIV-infected blood into the next person it bites. Therefore, this statement is incorrect

IV. Across the placenta: HIV can also be transmitted from an HIV-positive mother to her child during pregnancy, childbirth, or breastfeeding. This is referred to as mother-to-child transmission or perinatal transmission. Hence, this option is correct.

The correct answer, thus, is option 2: I, II, and IV are the correct statements, as they confirm how AIDS is transmitted.

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