Quiz_Algae

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

 
 
 
 

2. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

4. Which fixes atmospheric nitrogen?

 
 
 
 

5. The flagella of Chlamydomonas are:

 
 
 
 

6. Most common type of conjugation in Spirogyra is :

 
 
 
 

7. Among the algae kelps are :

 
 
 
 

8. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Water-net is the name of:

 
 
 
 

12. Nannandria are:

 
 
 
 

13. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

14. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Ectocarpus produces:

 
 
 
 

20. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Each chloroplast in Spirogyra bears :

 
 
 
 

24. Which one of the following statement is wrong?

 
 
 
 

25. Asexual reproductive body of Volvox is called:

 
 
 
 

26. Spirogyra represents the :

 
 
 
 

27. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

29. Water bloom is generally caused by :

 
 
 
 

30. Which of the following is a parasitic algae?

 
 
 
 

31. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Iodine is obtained from :

 
 
 
 

35. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Isomorphic type alternation of generation is found in:

 
 
 
 

39. All algae have:

 
 
 
 

40. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

45. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Which of the following have a prokaryotic cell?

 
 
 
 

54. Heterocysts are found in :

 
 
 
 

55. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Most of the algae are :

 
 
 
 

61. True sexuality is not found in:

 
 
 
 

62. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

64. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

65. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Heterotrichous habit means :

 
 
 
 

69. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

70. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. The largest alga is:

 
 
 
 

74. Cap cells are found in the filament of:

 
 
 
 

75. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Ulothrix produces :

 
 
 
 

85. One of the distinctive feature of Spirogyra is :

 
 
 
 

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