1st Year Biology Chapter 6 Kingdom Prokaryote MCQs Short Questions Notes

biology 11th notes Chapter 6

1. Which of the following structure makes the cell wall sticky?

 
 
 
 

2. The rode shaped bacteria are:

 
 
 
 

3. The barrel shaped cells present in the filaments of cyanobacteria are called:

 
 
 
 

4. A bacteria in Which flagellum surround it is called:

 
 
 
 

5. Gram positive cell wall have peptidoglycan:

 
 
 
 

6. The smallest bacteria on the earth are:

 
 
 
 

7. Which of following is Disinfectant:

 
 
 
 

8. The extra nuclear double stranded DNA in bacteria are called:

 
 
 
 

9. Which of the following bacteria are cocci?

 
 
 
 

10. The water bloom is a:

 
 
 
 

11. Chemotaxis is phenomenon in which an organism:

 
 
 
 

12. The accessory pigments of the cyanobacteria are called:

 
 
 
 

13. The pair of cocci bacteria in which cell division occurs in three plane is called:

 
 
 
 

14. Nucleoids of bacteria are stained with:

 
 
 
 

15. The bacterial growth becomes equal with the death rate in the:

 
 
 
 

16. The structure used in the conjugation of bacteria are:

 
 
 
 

17. Which of the following is not sterilization method for controlling bacteria?

 
 
 
 

18. The largest bacterium is:

 
 
 
 

19. The pair of cocci bacteria in which cell division occurs in one plane is called:

 
 
 
 

20. A bacterium with single polar flagellum is called:

 
 
 
 

21. A bacterium in which flagellum surrounds is called:

 
 
 
 

22. Which of the following are not the characteristics of cell Gram positive cell all?

 
 
 
 

23. Super blue green algae is cyanobarteria which:

 
 
 
 

24. Which of the following contain DNA?

 
 
 
 

25. The tick wall reproductive cell of the cyanobacteria are called:

 
 
 
 

26. The plasma membrane and every thing present in it is called:

 
 
 
 

27. Which of the following is thick rigid spiral?

 
 
 
 

28. The structure involved in the replication of bacteria are:

 
 
 
 

29. The process of fermentation was discovered by:

 
 
 
 

30. Reserved food material in cyanobacteria is:

 
 
 
 

31. The fragments of the filament of cyanobacteria are called:

 
 
 
 

32. The generation time of bacteria is:

 
 
 
 

33. Louis Pasteur did not discovered vaccine against the disease:

 
 
 
 

34. Which of the following is flexible spiral?

 
 
 
 

35. The resistant structure developed during reproduction of vegetative cells of bacteria is called:

 
 
 
 

36. Which of the following is not the function of membrane?

 
 
 
 

37. Dettol

 
 
 
 

38. In which phase the growth of bacteria is rapid?

 
 
 
 

39. The photosynthetic bacteria release:

 
 
 
 

40. The ribosome of bacteria are:

 
 
 
 

41. Nucleoid is stained with:

 
 
 
 

42. The long chain of cocci bacteria in which cell division occurs in one plane is called:

 
 
 
 

43. Which of the following is not include in the envelope of the bacteria?

 
 
 
 

44. Sexual reproduction in bacteria takes place by:

 
 
 
 

45. The first scientist who observed microbes was:

 
 
 
 

46. A bacterium without flagellum is called:

 
 
 
 

47. Which of the following methods do not come within the method of sterilization?

 
 
 
 

48. Which of the following are true bacteria?

 
 
 
 

49. The enzymes for respiratory metabolism in bacteria are present in:

 
 
 
 

50. The bacteria which use decay matter as a food are called:

 
 
 
 

51. The antibiotic penicillin is not used today because:

 
 
 
 

52. Which of the bacteria can grow in any condition?

 
 
 
 

53. The cyanobacteria are also called blue green algae because:

 
 
 
 

54. Tuft of flagella is present only at one pole of bacteria in case of:

 
 
 
 

55. Hormones and serum are sterilized by:

 
 
 
 

56. In which phase the growth of bacteria is equal?

 
 
 
 

57. When division occurs in random planes, it will produce an arrangement called:

 
 
 
 

58. The thick walled enlarged reproductive cells are called:

 
 
 
 

59. Vaccine against anthrax was developed by:

 
 
 
 

60. Which of the following structure is used in sexual reproduction of bacteria?

 
 
 
 

61. Which of the following antibiotic causes allergic reactions?

 
 
 
 

62. Which of the following is relevant to vaccine:

 
 
 
 

63. The major locomotory organs in bacteria are:

 
 
 
 

64. Louis Pasteur did not synthesize the vaccine of:

 
 
 
 

65. Arrange the position of cell membrane, cell wall, slime and capsule from outer to inner surface:

 
 
 
 

66. The filaments of cyanobacteria are called:

 
 
 
 

67. The broken piece of filament of cyanobacteria is called:

 
 
 
 

68. The aim of the germ plasma theory was:

 
 
 
 

69. The condition in which bacteria are without flagella is called:

 
 
 
 

70. The cell wall of Archeobactira does not contain:

 
 
 
 

71. The size of bacterium Escherichia coli is:

 
 
 
 

72. Germ theory of diseases was given by:

 
 
 
 

73. The thickness f cell wall of gram negative bacterium is:

 
 
 
 

74. Which of the following is antiseptics?

 
 
 
 

75. The largest bacteria on the earth are:

 
 
 
 

76. Antone Van leeuwenhoek firstly observed small creatures in rain:

 
 
 
 

77. In some bacteria division occurs in one plane and bacteria are arranged in chain. Such bacteria are called:

 
 
 
 

78. Which of the following are the characteristics of Gram negative cell wall?

 
 
 
 

79. Which of the following are chemosynthetic bacteria:

 
 
 
 

80. A person eats a drug and becomes deaf. Which drug he might have eaten?

 
 
 
 

81. The rapid growth of bacteria occurs in the phase:

 
 
 
 

82. Gram negative cell wall have Peptidoglycan:

 
 
 
 

83. The smallest bacterium is:

 
 
 
 

84. Which of the following bacteria are not used in?

 
 
 
 

85. The pair of cocci bacteria in which cell division occurs in two plane is called:

 
 
 
 

86. Which of the followings is curved or comma shaped spiral?

 
 
 
 

Short Questions

1. Categorize autotrophic bacteria on the basis of energy source?
2. Classify bacteria on the basis of presence of flagella, pattern of attachment of flagella present bacteria?
3. Define cell envelope?
4. Describe the function of cell wall?
5. Different between vibro, spirillium and spirochete?
6. Differentiate between amphitrichous and peritrichous bacteria.
7. Differentiate between atrichous and monotrichous?
8. Differentiate between autotrophs and heterotrophs?
9. Differentiate between bacillus and streptobacillus?
10. Differentiate between capsule and slime?
11. Differentiate between diplococci and streptococci?
12. Differentiate between eubacteria and archacobacteria?
13. Differentiate between gram positive and gram negative bacteria.
14. Differentiate between Lag phase and Log phase of growth of bacteria?
15. Differentiate between lophotrichous and amphitrichous.
16. Differentiate between Microbicidal and Microbistatic effect?
17. Differentiate between streptococcus and staphylococcus bacteria.
18. Differentiate between tetrad and sarcina.
19. Give at least two examples each of cocci, bacilli and spiral?
20. Give classification on the basis of presence of flagella?
21. Give postulates of Robert Koch for germ theory of disease?
22. Give the postulates of germ theory of disease?
23. hat is the size of an average cocus?
24. How many forms spirals come in ?
25. Leeuwenhoek observed bacteria in which substances?
26. List function that the cell membrane performs in bacteria?
27. Name a bacterium that has no cell wall?
28. Name different physical methods by which bacteria can be controlled?
29. Name different type of bacteria on the basis of general shape?
30. Name the common waste materials of bacteria?
31. Name the substances that bacteria store?
32. Name three general shapes of bacteria and explain only one.
33. What are akinetes?
34. What are contributions of Louis Pasteur in biology ?
35. What are cysts?
36. What are different arrangements of bacilli?
37. What are exceptional shapes of bacteria?
38. What are facultative bacteria?
39. What are mesosomes? And what are some of their possible functions?
40. What are Plasmids?
41. What are plasmids? What is the role played by the plasmids?
42. What are staphylococci?
43. What are tetrads?
44. What are the meaning of “pro” and “caryon” in Greek language? What are the major categories of bacteria according to microbiologists?
45. What are the techniques invented by Koch and his collegues?
46. What are various arrangements of cocci based on their planes of division?
47. What do you mean by biological control?
48. What is do know about the capsule of bacterial cell?
49. What is flagella?
50. What is flagella? What are the important functions performed by flagella?
51. What is humus?
52. What is nutrition?
53. What is peptidoglycan ?
54. What is periplasmic space? In which bacteria is it present?
55. What is peritichous?
56. What is pilli? Describe its functions?
57. What is protoplast?
58. What is Sarcina?
59. What is slime ?
60. What is super blue green algae?
61. What is the composition of cell wall of bacteria?
62. What is the contribution of Leeuwenhoek in discovery of bacteria?
63. What is the diameter of smallest bacteria?
64. What is the function of flagella?
65. What is the function of heterocysts?
66. What is the size of: Escherichia coli, spirochetes, staphylococci and streptococci?
67. What is the use of hums?
68. What is unique about the structure of bacterial ribosomes?
69. What special structures are found in certain bacteria?
70. What the heterocysts ? Also give their function ?
71. Where do bacteria occur in environment ?
72. Who developed the technique of gram stain?
73. Who formulated the germ theory of disease?
74. Who formulated the germ theory of disease?
75. Who was the first scientist who discovered bacteria?
76. Write down misuses of antibiotics.

Long Questions

1. Explain general characteristics of cyanobacteria with special reference to Nostoc.
2. Classify bacteria with reference to presence of flagella.
3. Discuss growth and reproduction in bacteria.
4. Explain cell wall of bacteria with special reference to gram staining.
5. Explain about use and misuse of antibiotics.
6. Discuss nutrition in bacteria.
7. Describe habitat, structure and reproduction in nostoc.
8. What is taxonomic groups of bacteria with refererence to flagella?
9. What is the difference of cocci bacteria on the basis of plane of division?
10. How slime is differs from capsule. Give their role.
11. What is chemotaxis?
12. Differentiate between nucleoid and plasmid?
13. What are pilli? Give its function.
14. What are mesosomes? Write its functions.
15. Differentiate between spores and cysts?
16. Differentiate between chemosynthetic and photosynthetic bacteria?
17. Define facultative and microaerophilic bacteria?
18. Name and differentiate the four phases of bacterial growth?
19. Define sterilization? How is it achieved physically?
20. Differentiate between microbicidal and microbbistatic effects?
21. Differentiate between antiseptics and disinfectants?
22. What are antibiotics? Write its misuse.

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