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

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

3. Gear system is an advanced shape of

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

5. ................. Cell has only one large vacule

6. What is receptor

7. The number of naturally occurring elements is

8. Which substance is called universal solvent

9. Which gass is used in photosynthesis?

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

11. Matter consisting of one kind of atoms is called

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

13. Which factor affects the soulbality of substances

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

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

16. Air contain.................. Nitrogen

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

18. How Many types of mixture

19. Air contains 0.03%...........

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

21. The protective layer of leaf is called

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

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

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

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

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

27. Ability to do work is called

28. The main components of environment are

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

30. A solution consisting of two substances is called