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1. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Which of the following is a parasitic algae?

 
 
 
 

5. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Which fixes atmospheric nitrogen?

 
 
 
 

10. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Iodine is obtained from:

 
 
 
 

15. Which of the following have algal zone?

 
 
 
 

16. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

18. Agar-agar is obtained from:

 
 
 
 

19. Heterotrichous habit means :

 
 
 
 

20. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. The alga, Spirogyra are found in :

 
 
 
 

24. The word “sea weeds” is used for:

 
 
 
 

25. Most of the algae are :

 
 
 
 

26. All algae have:

 
 
 
 

27. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

29. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

31. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

33. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

35. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Water bloom is generally caused by :

 
 
 
 

41. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

43. Which of the following have a prokaryotic cell?

 
 
 
 

44. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The zoospores of Ulothrix are :

 
 
 
 

48. Isomorphic type alternation of generation is found in:

 
 
 
 

49. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Synzoospore is produced in:

 
 
 
 

53. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

54. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

59. Which group of algae have an incipient nucleus?

 
 
 
 

60. The chloroplast of Chlamydomonas are:

 
 
 
 

61. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Spirogyra represents the :

 
 
 
 

67. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Choose the correct statement about Spirogyra:

 
 
 
 

71. Nannandria are:

 
 
 
 

72. Asexual reproductive body of Volvox is called:

 
 
 
 

73. Mostly type of zygospore in Ulothrix is:

 
 
 
 

74. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

76. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

78. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

80. One of the distinctive feature of Spirogyra is :

 
 
 
 

81. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. True sexuality is not found in:

 
 
 
 


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