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

 
 
 
 

2. Most of the algae are :

 
 
 
 

3. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

4. Choose the correct statement about Spirogyra:

 
 
 
 

5. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

7. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. The largest alga is:

 
 
 
 

14. The chloroplast in Ulothrix is :

 
 
 
 

15. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

17. Ulothrix produces :

 
 
 
 

18. Redness of red sea is due to :

 
 
 
 

19. Water-net is the name of:

 
 
 
 

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

 
 
 
 

21. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

23. All algae have:

 
 
 
 

24. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. One of the distinctive feature of Spirogyra is :

 
 
 
 

29. The alga, Spirogyra are found in :

 
 
 
 

30. The word “sea weeds” is used for:

 
 
 
 

31. Isomorphic type alternation of generation is found in:

 
 
 
 

32. Iodine is obtained from :

 
 
 
 

33. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

35. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

37. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Which of the following have algal zone?

 
 
 
 

41. Ectocarpus produces:

 
 
 
 

42. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

44. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Antibiotic has been extracted from :

 
 
 
 

48. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

50. Which fixes atmospheric nitrogen?

 
 
 
 

51. Spirogyra represents the :

 
 
 
 

52. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

54. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

56. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Asexual reproductive body of Volvox is called:

 
 
 
 

64. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Which group of algae have an incipient nucleus?

 
 
 
 

70. What are Cyanobacteria?

 
 
 
 

71. The chloroplast of Chlamydomonas are:

 
 
 
 

72. Cap cells are found in the filament of:

 
 
 
 

73. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

78. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

80. Among the algae kelps are :

 
 
 
 

81. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

83. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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