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1. Water bloom is generally caused by :

 
 
 
 

2. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

4. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Agar-agar is obtained from:

 
 
 
 

8. The flagella of Chlamydomonas are:

 
 
 
 

9. Which of the following have a prokaryotic cell?

 
 
 
 

10. Ectocarpus produces:

 
 
 
 

11. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Iodine is obtained from:

 
 
 
 

22. Mostly type of zygospore in Ulothrix is:

 
 
 
 

23. The word “sea weeds” is used for:

 
 
 
 

24. Iodine is obtained from :

 
 
 
 

25. Ulothrix produces :

 
 
 
 

26. The largest alga is:

 
 
 
 

27. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

33. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

38. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

40. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

41. Which group of algae have an incipient nucleus?

 
 
 
 

42. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

49. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. What are Cyanobacteria?

 
 
 
 

56. Among the algae kelps are :

 
 
 
 

57. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

58. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

63. The alga, Spirogyra are found in :

 
 
 
 

64. All algae have:

 
 
 
 

65. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

70. Spirogyra represents the :

 
 
 
 

71. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Water-net is the name of:

 
 
 
 

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

 
 
 
 

76. Which of the following is a parasitic algae?

 
 
 
 

77. Nannandria are:

 
 
 
 

78. Which one of the following statement is wrong?

 
 
 
 

79. Which of the following shows heterotrichous habit?

 
 
 
 

80. Redness of red sea is due to :

 
 
 
 

81. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

82. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

84. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

86. The chloroplast of Chlamydomonas are:

 
 
 
 


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