Inventions and Discoveries | Online Objective Quiz - 1 | Class 3

1. Wright Brothers invented the _______.

Stethoscope
Aeroplane
Clock
Radio

2. Christian Huygens invented the ______.

Stethoscope
Aeroplane
Clock
Radio

3. Martin Cooper invented the ______.

Mobile Phone
Telephone
Parachute
Microwave Oven

4. Louis S. Lenormand invented ______.

Mobile Phone
Telephone
Parachute
Microwave Oven

5. Dr. William Stokes invented ______.

Stethoscope
Aeroplane
Clock
Microwave Oven

6. Percy Spencer invented the ______.

Stethoscope
Telephone
Parachute
Microwave Oven

7. Guglielmo Marconi invented the ______.

Television
Video Game
Radio
Computer

8. Sir Isaac Newton discovered the ______.

Television
Radio
Braille Script
Law of Gravity

9. Louis Braille invented the ______.

Braille Script
Aeroplane
Clock
Radio

10. Ralph invented the _____________.

Television
Video Game
Radio
Computer

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