Read the following statements and choose the correct option 1. AIDS stands for Acquired Immuno Deficiency Syndrome, indicating it is not a congenital disease. 2. AIDS is caused by the Human Immuno deficiency Virus (HIV), a retrovirus with a DNA genome enclosed in an envelope. 3. AIDS can be transmitted through sexual contact with an infected person, transfusion of contaminated blood, and sharing infected needles. 4.

Step-by-step solution

The word AIDS stands for Acquired Immuno Deficiency Syndrome. This means deficiency of immune system, acquired during the lifetime of an individual indicating that it is not a congenital disease. ‘Syndrome’ means a group of symptoms. AIDS was first reported in 1981 and in the last twenty-five years or so, it has spread all over the world killing more than 25 million persons. AIDS is caused by the Human Immuno deficiency Virus (HIV), a member of a group of viruses called retrovirus, which have an envelope enclosing