1. Air contains 0.03%...........

2. The particles are settled down at the bottom of the container.

3. The energy in an object due its motion is called

4. The energy in an object due its pissition is called

5. Which of the following is not detected by skin?

6. A solution consisting of two substances is called

7. Olfactory nerves links....... and...........

8. Air contain.................. Nitrogen

9. The part of the solution which is less in quantity called

10. The speed of sound is........... Meter per second in iron

11. The animals which kill and hunt other animals for food called

12. Which substance is called universal solvent

13. Which gass is used in photosynthesis?

14. The structural and functional unit of life is called ....................

15. ................. Cell has only one large vacule

16. The main components of environment are

17. Meteoroid which burns after entering earth's atmosphere is called

18. The biotic components of the environment Include..............

19. A spherical mirror whose inner surface is reflecting is called

20. America launched its first space station skylab into space in

21. Which factor affects the soulbality of substances

22. What is receptor

23. Ability to do work is called

24. The protective layer of leaf is called

25. ....................... Is a friendly relationship between two organisms

26. Matter consisting of one kind of atoms is called

27. The number of naturally occurring elements is

28. .................. is used in electric bulbs and flourescent lamps

29. Gear system is an advanced shape of

30. How Many types of mixture