General Science Quiz 19 (25 MCQs)

Quiz Instructions:

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1. Which of the following is used as a moderator in nuclear reactor?

2. What is the wavelength of visible spectrum?

3. Color of a mineral in its powdered form

4. All of the following objects produce sound energy EXCEPT

5. Common salt is obtained from seawater by the process of

6. The filament of an electric bulb is made up of which material?

7. How many bones are found in the human body?

8. In which state of matter are molecules moving the slowest?

9. What is the value of the prefix centi-?

10. In the context of alternative sources of energy, ethanol as a viable bio-fuel can be obtained from

11. What is the function of the nucleus?

12. What state of matter has no definite shape or volume?

13. All existing cells are produced by other

14. What are balanced forces?

15. What group of vertebrates is a chipmunk?

16. An element has an atomic number of 76. The number of protons and electrons in a neutral atom of the element are

17. In an atomic explosion, enormous energy is released which is due to

18. Which particles have the same mass and are located at the same location in an atom?

19. Which of the choices does not belong to the group?

20. The fourth state of matter is called _____

21. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of

22. What type of energy does an oven produce?

23. What is a cell membrane?

24. The gas usually causing explosions in coal mines is

25. Jacob holds a rubber band. What could Jacob do to make a sound with the rubber band?