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

2. Air contains 0.03%...........

3. Matter consisting of one kind of atoms is called

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

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

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

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

8. The number of naturally occurring elements is

9. Which gass is used in photosynthesis?

10. How Many types of mixture

11. A solution consisting of two substances is called

12. Gear system is an advanced shape of

13. The protective layer of leaf is called

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

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

16. What is receptor

17. Which factor affects the soulbality of substances

18. The main components of environment are

19. Ability to do work is called

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

21. Which substance is called universal solvent

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

23. Olfactory nerves links....... and...........

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

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

26. ................. Cell has only one large vacule

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

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

29. Air contain.................. Nitrogen

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