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Sample GK Test-3

1. Fulminology is the study of ?

2. What is the use of Radar ?

3. Sound travels at the fastest speed in?

4. Light travels at the fastest speed in?

5. Optical fibre works on the

6. Identify the vector quantity from the following

7. Who discovered natural radio activity?

8. Magnetism at the centre of a bar magnet is ?

9. Pascal is the unit for

10. Light year is a unit of ?

11. What is the scientific name of Laughing Gas?

12. Which element is common to all acids?

13. Which of the following is the lightest metal?

14. What is the average salinity of sea Water?

15. Which of the gas is not known as green house gas?

16. Which gas do humans primarily exhale when breathing?

17. Which gas is responsible for the Earth’s ozone layer depletion?

18. What is the process by which plants make their food using sunlight?

19. What is the scientific name of Laughing Gas?

20. Who had performed the world’s first heart transplant?

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