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1. Which fixes atmospheric nitrogen?

 
 
 
 

2. One of the distinctive feature of Spirogyra is :

 
 
 
 

3. Under certain circumstances, a generating cell forms aplanospores from mucilaginous mass, which encloses numerous small but uninucleated bodies; this is known as :

 
 
 
 

4. Which of the following plants does not have archegonium?

 
 
 
 

5. Agar-agar, a common substance used in research is obtained from :

 
 
 
 

6. The thread-like body of Nostoc filament without mucilage sheath is called :

 
 
 
 

7. Heterotrichous habit means :

 
 
 
 

8. Spirogyra is commonly known by the name of ‘Pond scum’ or ‘Pond silk’ because :

 
 
 
 

9. Antibiotic has been extracted from :

 
 
 
 

10. ‘Red snow’ is caused by which of the following in alpine region?

 
 
 
 

11. In which of the following, isogamy, anisogamy and oogamy all are found?

 
 
 
 

12. Cap cells are found in the filament of:

 
 
 
 

13. The photoreceptor found at the anterior end of Chlamydomonas is:

 
 
 
 

14. Which of the following have algal zone?

 
 
 
 

15. True sexuality is not found in:

 
 
 
 

16. Most common type of conjugation in Spirogyra is :

 
 
 
 

17. The chloroplast in Ulothrix is :

 
 
 
 

18. Haplo-diplo-haplontic type triphasic life cycle occurs in:

 
 
 
 

19. Plant body is violettish-blue or blue-green in:

 
 
 
 

20. The main characteristic that distinguishes a Spirogyra cell from a Ulothrix cell is :

 
 
 
 

21. Each chloroplast in Spirogyra bears :

 
 
 
 

22. An alga which is rich in proteins:

 
 
 
 

23. Green plants without root, stem and leaves, but with a simple usually filamentous plant body are called:

 
 
 
 

24. Agar-agar is obtained from:

 
 
 
 

25. Asexual reproductive body of Volvox is called:

 
 
 
 

26. Heterocysts are found in :

 
 
 
 

27. Which group of algae have an incipient nucleus?

 
 
 
 

28. Ectocarpus produces:

 
 
 
 

29. Agar-agar and algin are the product of:

 
 
 
 

30. Isomorphic type alternation of generation is found in:

 
 
 
 

31. Which type of sexual reproduction is found in C. debaryana?

 
 
 
 

32. Important feature of Spirogyra that distinguishes it from Ulothrix is :

 
 
 
 

33. Nucleus in Spirogyra is suspended in the cell with the help of :

 
 
 
 

34. Which type of sexual reproduction is found in C. brauni?

 
 
 
 

35. Choose the correct statement about Spirogyra:

 
 
 
 

36. Which is not likely to be found on sea shore?

 
 
 
 

37. Iodine is obtained from:

 
 
 
 

38. The flagella of Chlamydomonas are:

 
 
 
 

39. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

40. Which one of the following statement is wrong?

 
 
 
 

41. Which of the following have a prokaryotic cell?

 
 
 
 

42. Which of the following shows heterotrichous habit?

 
 
 
 

43. What is the reserve food material in chlorophycean algae?

 
 
 
 

44. The word “sea weeds” is used for:

 
 
 
 

45. One of the algae can be used as food in the space flight. It is :

 
 
 
 

46. Spirogyra represents the :

 
 
 
 

47. Blue-green algae, which live as endozoic in protozoans are called :

 
 
 
 

48. On germination, each zygospore of Spirogyra divides meiotically into four, but the number of filaments produced is :

 
 
 
 

49. Ulothrix produces :

 
 
 
 

50. The basal-cell by which an alga is attached to its substratum is known as :

 
 
 
 

51. Zygote which divides by meiotic division (zygotic meiosis occurs in):

 
 
 
 

52. ‘Pond silk’ or ‘Water silk’ is the common name of :

 
 
 
 

53. Nannandria are:

 
 
 
 

54. Synzoospore is produced in:

 
 
 
 

55. All algae have:

 
 
 
 

56. Sometimes a ladder-like structure is exhibited in Spirogyra due to :

 
 
 
 

57. Water-net is the name of:

 
 
 
 

58. Meiosis in Ulothrix takes place:

 
 
 
 

59. Most of the algae are :

 
 
 
 

60. What are Cyanobacteria?

 
 
 
 

61. Which is not the characteristic feature in Spirogyra life history?

 
 
 
 

62. Nonmotile, thin-walled spores of algae are called :

 
 
 
 

63. Richest source of protein, becoming popular throughout world and available in the Indian market also:

 
 
 
 

64. The chloroplast of Chlamydomonas are:

 
 
 
 

65. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

66. Iodine is obtained from :

 
 
 
 

67. Mostly type of zygospore in Ulothrix is:

 
 
 
 

68. The zoospores of Ulothrix are :

 
 
 
 

69. Diatoms are not destroyed easily like other algae, because:

 
 
 
 

70. Redness of red sea is due to :

 
 
 
 

71. Which type of sexual reproduction is found in Volvox?

 
 
 
 

72. Most of the algae along with other submerged plants usually float on water during the day time, while they sink at night, because :

 
 
 
 

73. Fire resistant fibres and plastic are obtained from the alginates present in the cell wall of which algae?

 
 
 
 

74. Water bloom is generally caused by :

 
 
 
 

75. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

76. At the time of germination of zygospore in Spirogyra:

 
 
 
 

77. Among the algae kelps are :

 
 
 
 

78. Which among the following is known as Father of Indian phycology?

 
 
 
 

79. Plant body is diploid and meiosis occurs in diploid gametangia at the time of formation of gametes in:

 
 
 
 

80. Which type of sexual reproduction is found in C. coccifera?

 
 
 
 

81. Which one of the following is an endozoic algae?

 
 
 
 

82. The alga, Spirogyra are found in :

 
 
 
 

83. Which of the following is a parasitic algae?

 
 
 
 

84. Prof. R.N. Singh has noteworthy contributions in the field of:

 
 
 
 

85. Each cell of Volvox colony has a structure, similar to:

 
 
 
 

86. The largest alga is:

 
 
 
 


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