1. Bacteria were discovered by:

2. The invagination of cell membrane of bacteria into the cytoplasm is called:

3. The hollow filamentous structures help in conjugation in bacteria are called:

4. The structure which helps in respiration, export of enzymes, cell division and DNA replication in bacteria is called:

5. The true bacteria are called:

6. The ancient bacteria are called:

7. The bacteria which can manufacture their own food material are called:

8. Cell membrane of bacteria is composed of:

9. Rod-shaped bacteria are called:

10. Spherical bacteria are called:

11. When spherical bacteria are present in bundles or groups, they are called:

12. Bacteria which obtain their food from dead organic matter are called:

13. Bacteria which obtain their energy from oxidation of inorganic substances are called:

14. During photosynthesis the bacteria use:

15. During photosynthesis the bacteria release:

16. The bacteria which get nutrition by association with other living organisms are called:

17. The bacteria which require very less O2 for growth are called:

18. The bacteria which are killed in the presence of O2 are called:

19. The bacteria which use O2 but can respire without it are called:

20. The bacteria which can only survive in the presence of O2 are called:

21. In bacteria the locomotory organs are called:

22. The inactive phase of growth during which bacteria prepare themselves for division is called:

23. The phase in which bacteria grow and multiply very rapidly is called:

24. The phase in which bacterial multiplication is equal to death rate is called:

25. The phase in which death rate is more rapid than multiplication rate in bacteria is called:

26. The most common method of reproduction in bacteria is:

27. The process in which genetic material is transferred from one bacterium into another bacterium through a tube like structure is called:

28. Endospore formation takes place in:

29. The process in which genetic material of one bacterial cell is transferred into another cell through bacteriophage virus is called:

30. The process in which bacteria acquire genetic characters from other bacteria called:

31. Streptomycin, Terramycin and Neomycin antibiotics are obtained from:

32. Incomplete nucleus is present in:

33. Nostoc belongs to:

34. Body of Nostoc is called:

35. Heterocyst takes part in:

36. Reproduction by arthrospores (akinetes) takes place in:

37. The resting inactive reproductive bodies in Nostoc are called:

38. When the filaments of Nostoc are intermixed in a gelatinous mass forming a ball like structure it is called:

39. The outer colored part of Nostoc cell is called:

40. The inner colorless region of Nostoc cell is called:

41. The blue color of Cyanobacteria Nostoc is due to the presence of:

42. Cyanobacteria are placed in kingdom: