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

2. Olfactory nerves links....... and...........

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

4. The number of naturally occurring elements is

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

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

7. How Many types of mixture

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

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

10. What is receptor

11. Which gass is used in photosynthesis?

12. The main components of environment are

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

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

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

16. ................. Cell has only one large vacule

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

18. A solution consisting of two substances is called

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

20. Matter consisting of one kind of atoms is called

21. The protective layer of leaf is called

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

23. Gear system is an advanced shape of

24. Which factor affects the soulbality of substances

25. Air contains 0.03%...........

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

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

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

29. Which substance is called universal solvent

30. Ability to do work is called