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1. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Nannandria are:

 
 
 
 

5. Cap cells are found in the filament of:

 
 
 
 

6. Among the algae kelps are :

 
 
 
 

7. The flagella of Chlamydomonas are:

 
 
 
 

8. Which one of the following statement is wrong?

 
 
 
 

9. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Which fixes atmospheric nitrogen?

 
 
 
 

13. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

15. The largest alga is:

 
 
 
 

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

 
 
 
 

17. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

19. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

21. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Most common type of conjugation in Spirogyra is :

 
 
 
 

26. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

37. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Most of the algae are :

 
 
 
 

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

 
 
 
 

46. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

48. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

50. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. True sexuality is not found in:

 
 
 
 

54. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

55. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

57. Which of the following have a prokaryotic cell?

 
 
 
 

58. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

60. The chloroplast of Chlamydomonas are:

 
 
 
 

61. Water-net is the name of:

 
 
 
 

62. Meiosis in Ulothrix takes place:

 
 
 
 

63. What are Cyanobacteria?

 
 
 
 

64. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

75. The chloroplast in Ulothrix is :

 
 
 
 

76. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

77. Each chloroplast in Spirogyra bears :

 
 
 
 

78. Isomorphic type alternation of generation is found in:

 
 
 
 

79. Iodine is obtained from :

 
 
 
 

80. Choose the correct statement about Spirogyra:

 
 
 
 

81. Which of the following shows heterotrichous habit?

 
 
 
 

82. An alga which is rich in proteins:

 
 
 
 

83. Heterotrichous habit means :

 
 
 
 

84. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

86. All algae have:

 
 
 
 


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