Quiz_Algae

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

 
 
 
 

2. One of the distinctive feature of Spirogyra is :

 
 
 
 

3. The alga, Spirogyra are found in :

 
 
 
 

4. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

6. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Mostly type of zygospore in Ulothrix is:

 
 
 
 

11. Ulothrix produces :

 
 
 
 

12. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

14. The chloroplast in Ulothrix is :

 
 
 
 

15. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

17. Redness of red sea is due to :

 
 
 
 

18. Synzoospore is produced in:

 
 
 
 

19. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. An alga which is rich in proteins:

 
 
 
 

24. Most common type of conjugation in Spirogyra is :

 
 
 
 

25. Each chloroplast in Spirogyra bears :

 
 
 
 

26. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Isomorphic type alternation of generation is found in:

 
 
 
 

32. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Meiosis in Ulothrix takes place:

 
 
 
 

36. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

38. Nannandria are:

 
 
 
 

39. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

48. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

50. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

52. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

53. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

55. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

57. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

62. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Water-net is the name of:

 
 
 
 

66. Which fixes atmospheric nitrogen?

 
 
 
 

67. The chloroplast of Chlamydomonas are:

 
 
 
 

68. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. All algae have:

 
 
 
 

72. Which of the following is a parasitic algae?

 
 
 
 

73. Most of the algae are :

 
 
 
 

74. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

76. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

78. The largest alga is:

 
 
 
 

79. Among the algae kelps are :

 
 
 
 

80. Which of the following have a prokaryotic cell?

 
 
 
 

81. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Choose the correct statement about Spirogyra:

 
 
 
 

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