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1. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

3. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

5. True sexuality is not found in:

 
 
 
 

6. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

8. Asexual reproductive body of Volvox is called:

 
 
 
 

9. Which of the following have algal zone?

 
 
 
 

10. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Cap cells are found in the filament of:

 
 
 
 

17. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Spirogyra represents the :

 
 
 
 

25. Ulothrix produces :

 
 
 
 

26. Most common type of conjugation in Spirogyra is :

 
 
 
 

27. The chloroplast in Ulothrix is :

 
 
 
 

28. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

30. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

32. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

34. Most of the algae are :

 
 
 
 

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

 
 
 
 

36. Among the algae kelps are :

 
 
 
 

37. All algae have:

 
 
 
 

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

 
 
 
 

39. What are Cyanobacteria?

 
 
 
 

40. Which group of algae have an incipient nucleus?

 
 
 
 

41. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

43. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. The largest alga is:

 
 
 
 

52. Water bloom is generally caused by :

 
 
 
 

53. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

54. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. The chloroplast of Chlamydomonas are:

 
 
 
 

61. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

62. Which of the following is a parasitic algae?

 
 
 
 

63. Each chloroplast in Spirogyra bears :

 
 
 
 

64. Water-net is the name of:

 
 
 
 

65. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Mostly type of zygospore in Ulothrix is:

 
 
 
 

77. Nannandria are:

 
 
 
 

78. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

80. Which of the following shows heterotrichous habit?

 
 
 
 

81. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

83. Which of the following have a prokaryotic cell?

 
 
 
 

84. Ectocarpus produces:

 
 
 
 

85. Synzoospore is produced in:

 
 
 
 

86. An alga which is rich in proteins:

 
 
 
 


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