1. Who invented HIV ?

Answer:

2. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

3. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

4. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

5. Who invented c language

Answer:

Dennis Ritchie

6. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

7. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765