1. Ability to do work is called

2. Matter consisting of one kind of atoms is called

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

4. A solution consisting of two substances is called

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

6. Which substance is called universal solvent

7. The main components of environment are

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

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

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

11. ................. Cell has only one large vacule

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

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

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

15. The number of naturally occurring elements is

16. Air contains 0.03%...........

17. The protective layer of leaf is called

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

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

20. Gear system is an advanced shape of

21. Which gass is used in photosynthesis?

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

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

24. Air contain.................. Nitrogen

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

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

27. How Many types of mixture

28. What is receptor

29. Which factor affects the soulbality of substances

30. Olfactory nerves links....... and...........