Quiz_Algae

1. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

3. Most of the algae are :

 
 
 
 

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

 
 
 
 

5. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

6. What are Cyanobacteria?

 
 
 
 

7. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

9. Iodine is obtained from :

 
 
 
 

10. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Spirogyra represents the :

 
 
 
 

14. Cap cells are found in the filament of:

 
 
 
 

15. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

17. Which of the following have algal zone?

 
 
 
 

18. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

19. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Water-net is the name of:

 
 
 
 

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

 
 
 
 

29. All algae have:

 
 
 
 

30. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Antibiotic has been extracted from :

 
 
 
 

35. The word “sea weeds” is used for:

 
 
 
 

36. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

38. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

40. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

42. Nannandria are:

 
 
 
 

43. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Iodine is obtained from:

 
 
 
 

48. The flagella of Chlamydomonas are:

 
 
 
 

49. The zoospores of Ulothrix are :

 
 
 
 

50. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

55. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

60. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

62. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

67. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

69. Heterotrichous habit means :

 
 
 
 

70. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

72. Heterocysts are found in :

 
 
 
 

73. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Agar-agar is obtained from:

 
 
 
 

77. Each chloroplast in Spirogyra bears :

 
 
 
 

78. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

80. Meiosis in Ulothrix takes place:

 
 
 
 

81. The largest alga is:

 
 
 
 

82. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

86. Ulothrix produces :