Quiz_Algae

1. Which fixes atmospheric nitrogen?

 
 
 
 

2. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

4. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. True sexuality is not found in:

 
 
 
 

8. Most common type of conjugation in 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. All algae have:

 
 
 
 

12. Heterocysts are found in :

 
 
 
 

13. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

14. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Mostly type of zygospore in Ulothrix is:

 
 
 
 

20. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

22. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Antibiotic has been extracted from :

 
 
 
 

26. Among the algae kelps are :

 
 
 
 

27. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

29. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

34. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

36. The alga, Spirogyra are found in :

 
 
 
 

37. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

39. What are Cyanobacteria?

 
 
 
 

40. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. The flagella of Chlamydomonas are:

 
 
 
 

45. Which of the following is a parasitic algae?

 
 
 
 

46. One of the distinctive feature of Spirogyra is :

 
 
 
 

47. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Nannandria are:

 
 
 
 

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

 
 
 
 

55. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

60. Iodine is obtained from :

 
 
 
 

61. Which of the following have algal zone?

 
 
 
 

62. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Ulothrix produces :

 
 
 
 

69. Synzoospore is produced in:

 
 
 
 

70. Isomorphic type alternation of generation is found in:

 
 
 
 

71. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

73. Redness of red sea is due to :

 
 
 
 

74. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

76. Agar-agar is obtained from:

 
 
 
 

77. Which of the following have a prokaryotic cell?

 
 
 
 

78. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

79. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

84. Choose the correct statement about Spirogyra:

 
 
 
 

85. Asexual reproductive body of Volvox is called:

 
 
 
 

86. Iodine is obtained from: