Inventions and Discoveries MCQ Questions and Answers for Practice

1. Air conditioner was discovered by

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

2. Analytical Engine was invented by

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

3. Atomic theory was devised by

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

4. Bacteria Protozoa was discovered by

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

5. Toricelli invented

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

6. The cause of Beri Beri was discovered by

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

7. Bicycle was invented by

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

8. Blood Circulation was discovered by

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

9. The field of activity of J.Bose was

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

10. Centigrade Thermometer was discovered by

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

11. Simpson and Harrison are associated with the invention of

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

12. Cholera Bascillus was invented by

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

13. Cinematography was invented by

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

14. D.D.T. was invented by

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

15. Electrons were discovered by

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