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

 
 
 
 

2. Which of the following have algal zone?

 
 
 
 

3. Nannandria are:

 
 
 
 

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

 
 
 
 

5. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

14. Asexual reproductive body of Volvox is called:

 
 
 
 

15. Iodine is obtained from:

 
 
 
 

16. Choose the correct statement about Spirogyra:

 
 
 
 

17. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

19. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

25. The alga, Spirogyra are found in :

 
 
 
 

26. Ulothrix produces :

 
 
 
 

27. Heterocysts are found in :

 
 
 
 

28. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

30. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

32. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. The flagella of Chlamydomonas are:

 
 
 
 

38. Water bloom is generally caused by :

 
 
 
 

39. Water-net is the name of:

 
 
 
 

40. All algae have:

 
 
 
 

41. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

46. Most of the algae are :

 
 
 
 

47. The zoospores of Ulothrix are :

 
 
 
 

48. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Which of the following have a prokaryotic cell?

 
 
 
 

52. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

54. Cap cells are found in the filament of:

 
 
 
 

55. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. The chloroplast in Ulothrix is :

 
 
 
 

62. Which of the following shows heterotrichous habit?

 
 
 
 

63. Synzoospore is produced in:

 
 
 
 

64. Meiosis in Ulothrix takes place:

 
 
 
 

65. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

67. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

69. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

70. An alga which is rich in proteins:

 
 
 
 

71. Which of the following is a parasitic algae?

 
 
 
 

72. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

82. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

84. Each chloroplast in Spirogyra bears :

 
 
 
 

85. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 


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