1. Ability to do work is called

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

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

4. ................. Cell has only one large vacule

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

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

7. Olfactory nerves links....... and...........

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

9. Which factor affects the soulbality of substances

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

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

12. Air contain.................. Nitrogen

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

14. Gear system is an advanced shape of

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

16. What is receptor

17. How Many types of mixture

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

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

20. Which substance is called universal solvent

21. The main components of environment are

22. The protective layer of leaf is called

23. A solution consisting of two substances is called

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

25. Which gass is used in photosynthesis?

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

27. The number of naturally occurring elements is

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

29. Matter consisting of one kind of atoms is called

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