Quiz_Algae

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

 
 
 
 

2. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Ulothrix produces :

 
 
 
 

6. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

8. The word “sea weeds” is used for:

 
 
 
 

9. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

10. Which fixes atmospheric nitrogen?

 
 
 
 

11. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Water-net is the name of:

 
 
 
 

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

 
 
 
 

21. All algae have:

 
 
 
 

22. The chloroplast of Chlamydomonas are:

 
 
 
 

23. Water bloom is generally caused by :

 
 
 
 

24. Heterocysts are found in :

 
 
 
 

25. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

27. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

29. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. One of the distinctive feature of Spirogyra is :

 
 
 
 

33. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

35. Nannandria are:

 
 
 
 

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

 
 
 
 

37. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

38. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Redness of red sea is due to :

 
 
 
 

42. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

44. The chloroplast in Ulothrix is :

 
 
 
 

45. Antibiotic has been extracted from :

 
 
 
 

46. What are Cyanobacteria?

 
 
 
 

47. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

49. Among the algae kelps are :

 
 
 
 

50. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Most common type of conjugation in Spirogyra is :

 
 
 
 

56. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

58. The zoospores of Ulothrix are :

 
 
 
 

59. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Cap cells are found in the filament of:

 
 
 
 

68. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Meiosis in Ulothrix takes place:

 
 
 
 

73. True sexuality is not found in:

 
 
 
 

74. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Iodine is obtained from :

 
 
 
 

78. Each chloroplast in Spirogyra bears :

 
 
 
 

79. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

81. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Heterotrichous habit means :

 
 
 
 

85. Which one of the following statement is wrong?

 
 
 
 

86. Ulothrix and Spirogyra reproduce vegetatively by :