Correct Answer: Reverse Transcriptase

Solution : The correct answer is Reverse Transcriptase.

HIV is known as Human Immunodeficiency Virus. It is a single stranded RNA virus. When it enters in the human body through the contact with body fluids, then with the help of Reverse Transcriptase enzyme it is converted into DNA and gets attached to human genome. With the multiplication of normal human cell it gets multiplied in human body. The virus attacks the immune system and impairs its effectiveness against other diseases. The common symptoms of HIV are fever, fatigue, swollen lymph nodes, diarrhoea, weight loss etc.