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

 
 
 
 

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

 
 
 
 

3. Most common type of conjugation in Spirogyra is :

 
 
 
 

4. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

6. Water-net is the name of:

 
 
 
 

7. Synzoospore is produced in:

 
 
 
 

8. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

14. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Which of the following have a prokaryotic cell?

 
 
 
 

18. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

19. Asexual reproductive body of Volvox is called:

 
 
 
 

20. Among the algae kelps are :

 
 
 
 

21. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

23. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

24. Which fixes atmospheric nitrogen?

 
 
 
 

25. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

27. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. All algae have:

 
 
 
 

31. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

33. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. The word “sea weeds” is used for:

 
 
 
 

37. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Iodine is obtained from :

 
 
 
 

41. The largest alga is:

 
 
 
 

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

 
 
 
 

43. Spirogyra represents the :

 
 
 
 

44. What are Cyanobacteria?

 
 
 
 

45. Heterotrichous habit means :

 
 
 
 

46. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

56. Cap cells are found in the filament of:

 
 
 
 

57. Mostly type of zygospore in Ulothrix is:

 
 
 
 

58. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

60. The zoospores of Ulothrix are :

 
 
 
 

61. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

66. Antibiotic has been extracted from :

 
 
 
 

67. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

69. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Ectocarpus produces:

 
 
 
 

73. Isomorphic type alternation of generation is found in:

 
 
 
 

74. Which of the following have algal zone?

 
 
 
 

75. Water bloom is generally caused by :

 
 
 
 

76. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

78. Which of the following is a parasitic algae?

 
 
 
 

79. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Ulothrix produces :

 
 
 
 

86. The chloroplast of Chlamydomonas are:

 
 
 
 


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