1. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

2. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

3. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

4. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

5. Who invented DNA Structure ?

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

6. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

7. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.