Quiz_Algae

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

 
 
 
 

2. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. True sexuality is not found in:

 
 
 
 

6. Mostly type of zygospore in Ulothrix is:

 
 
 
 

7. Which of the following shows heterotrichous habit?

 
 
 
 

8. Among the algae kelps are :

 
 
 
 

9. Water-net is the name of:

 
 
 
 

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

 
 
 
 

11. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

12. The word “sea weeds” is used for:

 
 
 
 

13. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

15. Iodine is obtained from:

 
 
 
 

16. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

17. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

19. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. One of the distinctive feature of Spirogyra is :

 
 
 
 

23. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

28. The alga, Spirogyra are found in :

 
 
 
 

29. Which of the following have algal zone?

 
 
 
 

30. Which of the following have a prokaryotic cell?

 
 
 
 

31. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

33. Ulothrix produces :

 
 
 
 

34. Ectocarpus produces:

 
 
 
 

35. Most of the algae are :

 
 
 
 

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

 
 
 
 

37. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Each chloroplast in Spirogyra bears :

 
 
 
 

44. Which of the following is a parasitic algae?

 
 
 
 

45. Agar-agar is obtained from:

 
 
 
 

46. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. The chloroplast in Ulothrix is :

 
 
 
 

50. An alga which is rich in proteins:

 
 
 
 

51. Choose the correct statement about Spirogyra:

 
 
 
 

52. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Which one of the following statement is wrong?

 
 
 
 

59. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

60. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

71. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

73. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Synzoospore is produced in:

 
 
 
 

77. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

79. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. All algae have:

 
 
 
 

83. Nannandria are:

 
 
 
 

84. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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