1. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

2. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

3. Who invented Floppy disk ?

Answer: IBM in 1970

4. Who invented Super Computer ?

Answer:

Seymour Cray

5. Who invented Proton ?

Answer:

Ernest Rutherford

6. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

7. Who invented Submarine ?

Answer:

John Philip Holland