1. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

2. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

3. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

4. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

5. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879

6. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

7. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951