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1. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Heterocysts are found in :

 
 
 
 

7. All algae have:

 
 
 
 

8. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

15. Most common type of conjugation in Spirogyra is :

 
 
 
 

16. Heterotrichous habit means :

 
 
 
 

17. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

19. Water-net is the name of:

 
 
 
 

20. Redness of red sea is due to :

 
 
 
 

21. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Which of the following have algal zone?

 
 
 
 

25. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Nannandria are:

 
 
 
 

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

 
 
 
 

30. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

37. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Antibiotic has been extracted from :

 
 
 
 

41. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

43. The largest alga is:

 
 
 
 

44. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

46. The zoospores of Ulothrix are :

 
 
 
 

47. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

49. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Which one of the following statement is wrong?

 
 
 
 

53. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

55. Asexual reproductive body of Volvox is called:

 
 
 
 

56. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Choose the correct statement about Spirogyra:

 
 
 
 

61. Which of the following is a parasitic algae?

 
 
 
 

62. Among the algae kelps are :

 
 
 
 

63. Synzoospore is produced in:

 
 
 
 

64. Cap cells are found in the filament of:

 
 
 
 

65. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

67. Spirogyra represents the :

 
 
 
 

68. Each chloroplast in Spirogyra bears :

 
 
 
 

69. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

71. Ulothrix produces :

 
 
 
 

72. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

74. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Meiosis in Ulothrix takes place:

 
 
 
 

79. Mostly type of zygospore in Ulothrix is:

 
 
 
 

80. Which group of algae have an incipient nucleus?

 
 
 
 

81. Which of the following shows heterotrichous habit?

 
 
 
 

82. Iodine is obtained from :

 
 
 
 

83. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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