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

 
 
 
 

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

 
 
 
 

3. The alga, Spirogyra are found in :

 
 
 
 

4. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

5. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

7. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

12. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Which of the following have algal zone?

 
 
 
 

17. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Most of the algae are :

 
 
 
 

22. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

24. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

26. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Which of the following shows heterotrichous habit?

 
 
 
 

34. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. The chloroplast of Chlamydomonas are:

 
 
 
 

38. Agar-agar is obtained from:

 
 
 
 

39. Asexual reproductive body of Volvox is called:

 
 
 
 

40. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. The largest alga is:

 
 
 
 

44. The flagella of Chlamydomonas are:

 
 
 
 

45. Most common type of conjugation in Spirogyra is :

 
 
 
 

46. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

48. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

50. Water-net is the name of:

 
 
 
 

51. Ulothrix produces :

 
 
 
 

52. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

57. Each chloroplast in Spirogyra bears :

 
 
 
 

58. All algae have:

 
 
 
 

59. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

61. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

63. Spirogyra represents the :

 
 
 
 

64. The zoospores of Ulothrix are :

 
 
 
 

65. The word “sea weeds” is used for:

 
 
 
 

66. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

68. Water bloom is generally caused by :

 
 
 
 

69. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

73. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

75. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

77. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

79. Meiosis in Ulothrix takes place:

 
 
 
 

80. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

85. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 


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