1. Milk is spoiled/ fermented by

2. The main difference in Gram(+)ve and Gram (-)ve bacteria resides in their

3. Vinegar is fermented from alcohol by

4. Chloramphenicol/ Chloromycetin produced by

5. maximum number of antibiotics got from any group is

6. In bacteria, respiration takes place through

7. Hydrogen donor in photosynthesis of purple sulphur bacteria is

8. Which one converts nitrite to nitrate?

9. Which one of the following sets includes the bacterial diseases?

10. In bacteria the respiratory enzymes are located on

11. Mycoplasmas differ from viruses in that they are sensitive to

12. Blue-green algae living endophytically in protozoan protists are known as

13. Nitrogen fixing organism which can be symbiotic is

14. A true species consists of a population

15. Which one is not a category?

16. Nicotiana is

17. Descending arrangement of categories is called

18. Find out the correct sequences in hirerarchy

19. Which covers the largest number of organisms

20. Which of the following is less general in characters as compared to genus

21. On which of the following five kingdom classification is based

22. Feeding on dead and decaying organisms is a nutrition called

23. A system of classification that is based on evolution, order and ancestry is known as

24. Floral features are commonly used for identification of angiosperms because

25. Blue-green algae are placed in the kingdom

26. Specimen used for original publication by the author is

27. Distinction of procaryota and eucaryota is mainly based on

28. Two morphologically similar populations are intersterile. They belong to

29. Mitochondria probably originated from bacteria because both have

30. In Whittaker's classification, non-nucleated unicellular organisms/procaryotes are included under

31. The third name in trinomial nomenclature is

32. Linnaeus is credited with

33. A unicellular organism often considered connecting link between plants and animals is

34. A taxon is

35. Taxonomy based on determination of genetic relationship is

36. First act in taxonomy is

37. The term "New Systematics" was introduced by

38. Father of taxonomy is

39. Binomal nomenclature means

40. Phylogenetic system brings out

41. A bacterium with flagella all around is

42. Plasmid is

43. Nitrosomonas and Nitrobacter convert

44. Bacteria that convert nitrates in to free nitrogen are

45. Transfer of genetic material with the help of a virus is called

46. Heterocytes, specialised for nitrogen fixation, occur in certain

47. Which one of the following can fix nitrogen?

48. Bacteria were discovered by

49. The bacteria that commonly live in animal and human intestine is

50. When milk is heated at ${62}^{\circ }C$ for 30 minutes and then cooled, the process is called