Gk Questions with AnswersInventions and Discoveries
DIRECTIONS : Objective Question on Computer Knowledge.
| 26. | Mercury Thermometer was invented by | ||
|---|---|---|---|
| A. Newton | |||
| B. Fahrenheit | |||
| C. Galileo | |||
| D. Priestley | |||
| 27. | Who discovered that the earth was not the centre of the universe? | ||
|---|---|---|---|
| A. Isaac Newton | |||
| B. Aristotle | |||
| C. Copernicus | |||
| D. Eratosthenes | |||
| 28. | Blood Grouping was discovered by | ||
|---|---|---|---|
| A. Robert Koch | |||
| B. Louis Pasteur | |||
| C. William Harvey | |||
| D. Landsteiner | |||
| 29. | The Electric Lamp was discovered by | ||
|---|---|---|---|
| A. Ford | |||
| B. Edison | |||
| C. Marconi | |||
| D. Shockley | |||
| 30. | Who was the first to observe ultraviolet rays? | ||
|---|---|---|---|
| A. William Herschel | |||
| B. Auguste Comte | |||
| C. Rutherford | |||
| D. Johann Wilhelm Ritter | |||