1. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

2. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

3. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

4. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948

5. Who invented Submarine ?

Answer:

John Philip Holland

6. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

7. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.