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1. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

3. Which of the following shows heterotrichous habit?

 
 
 
 

4. Most of the algae are :

 
 
 
 

5. All algae have:

 
 
 
 

6. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Which one of the following statement is wrong?

 
 
 
 

20. True sexuality is not found in:

 
 
 
 

21. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

23. Which of the following have algal zone?

 
 
 
 

24. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

25. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Water bloom is generally caused by :

 
 
 
 

33. Nannandria are:

 
 
 
 

34. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Agar-agar is obtained from:

 
 
 
 

43. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

50. Choose the correct statement about Spirogyra:

 
 
 
 

51. Which of the following have a prokaryotic cell?

 
 
 
 

52. One of the distinctive feature of Spirogyra is :

 
 
 
 

53. Each chloroplast in Spirogyra bears :

 
 
 
 

54. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Cap cells are found in the filament of:

 
 
 
 

58. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

60. Isomorphic type alternation of generation is found in:

 
 
 
 

61. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which group of algae have an incipient nucleus?

 
 
 
 

65. Heterocysts are found in :

 
 
 
 

66. The flagella of Chlamydomonas are:

 
 
 
 

67. The chloroplast in Ulothrix is :

 
 
 
 

68. Ulothrix produces :

 
 
 
 

69. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

71. The largest alga is:

 
 
 
 

72. Asexual reproductive body of Volvox is called:

 
 
 
 

73. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Meiosis in Ulothrix takes place:

 
 
 
 

78. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

80. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

82. The alga, Spirogyra are found in :

 
 
 
 

83. Antibiotic has been extracted from :

 
 
 
 

84. Mostly type of zygospore in Ulothrix is:

 
 
 
 

85. Which of the following is a parasitic algae?

 
 
 
 

86. Which fixes atmospheric nitrogen?

 
 
 
 


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