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

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

3. Which gass is used in photosynthesis?

4. The number of naturally occurring elements is

5. Which substance is called universal solvent

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

7. A solution consisting of two substances is called

8. How Many types of mixture

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

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

11. The protective layer of leaf is called

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

13. Matter consisting of one kind of atoms is called

14. Which factor affects the soulbality of substances

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

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

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

18. ................. Cell has only one large vacule

19. Gear system is an advanced shape of

20. Air contain.................. Nitrogen

21. What is receptor

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

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

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

25. The main components of environment are

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

27. Ability to do work is called

28. Air contains 0.03%...........

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

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