1. What is present in gastric juice?

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

3. The valency of carbon atom is.............?

4. The perpendicular force acting on unit surface area of an object is called...............?

5. Ded red blood corpuscles are stored in.......?

6. Rusting of iron involves...................?

7. Rate of flow of charge is called

8. The heaviest naturally occurring element is..............?

9. Bacteria are kept in separate kingdom called

10. Dead plants and animals are

11. The study of Plants and animals is called

12. Plants are called

13. The mirror used in the Automobiles are................?

14. Cactus is found in

16. Hailey's comet is visible after every...............?

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

18. Electron was discovered by?

19. Largest bird in the world is

20. The international system of units was introduced in

21. The number of naturally occurring elements is

22. Convection occurs only in.

23. The whorl of sepals is called..........

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

25. ............... React chemically with fat or oil to form soap

26. The number of protons present in the nucleus of one atom of any element is called its

28. Animals are called

29. Deficiency of vitamin_A results in?

31. The formation of ghee from vegetable oil is an example of.............

32. Ability to do work is called

33. Voltmeter is used for measurement of............

34. Leaves are narrow and pointed

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

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

37. According to ............. Law Resistance is calculated by dividing voltage by current

38. Boiling of an egg is change which is.............?

39. Air contain.................. Nitrogen

40. Gear system is an advanced shape of

44. ............... are reproductive organs of plants.

45. Olfactory nerves links....... and...........

46. Algae Clour is

47. Animals are divided into _ large subgroups

48. What is the largest gland in the human body?

50. The largest artery is named as