Inventions and Discoveries MCQ Questions and Answers for Practice

1. Air conditioner was discovered by

1. Edison
2. Wilson
3. Carrier
4. Roentgen

2. Analytical Engine was invented by

1. Dewar
2. Charles Babbage
3. Daimler
4. None of these

3. Atomic theory was devised by

1. Mosley
2. John Dalton
3. Daimler
4. none of these

4. Bacteria Protozoa was discovered by

1. Nicholas Copemicus
2. John Guten Burg
3. Louis Pasteur
4. Leeuwen Hoek

5. Toricelli invented

1. Automobile
2. Barometer
3. Stethoscope
4. None of these

6. The cause of Beri Beri was discovered by

1. Eijkman
2. Macmillan
3. Alexanderson
4. Cockrell

7. Bicycle was invented by

1. Alexanderson
2. Macmillan
3. Eijkman
4. None of these

8. Blood Circulation was discovered by

1. Louis
2. Alexander Fleming
3. William Harvey
4. None of these

9. The field of activity of J.Bose was

1. Zoology
2. Botany
3. Chemistry
4. None of these

10. Centigrade Thermometer was discovered by

1. Galilio
2. William Harvey
3. Andrius Celsius
4. Willbert Right-Arvili Right

11. Simpson and Harrison are associated with the invention of

1. Boson
2. Chloroform
3. Balloon
4. None of these

12. Cholera Bascillus was invented by

1. Hoffman
2. Dunlop
3. Joseph Lister
4. Robert Koch

13. Cinematography was invented by

1. Graham Bell
2. Edison
3. Zeiss
4. Faraday

14. D.D.T. was invented by

1. Paul Muller
2. John Dalton
3. Rudolf
4. None of these

15. Electrons were discovered by

1. Newton
2. Roentgen
3. J.J.Thompson
4. Edison