Quiz_Algae

1. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

6. Agar-agar is obtained from:

 
 
 
 

7. Mostly type of zygospore in Ulothrix is:

 
 
 
 

8. Which fixes atmospheric nitrogen?

 
 
 
 

9. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

10. Most common type of conjugation in Spirogyra is :

 
 
 
 

11. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. The largest alga is:

 
 
 
 

15. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Antibiotic has been extracted from :

 
 
 
 

19. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

21. Meiosis in Ulothrix takes place:

 
 
 
 

22. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

24. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. True sexuality is not found in:

 
 
 
 

28. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

30. All algae have:

 
 
 
 

31. Asexual reproductive body of Volvox is called:

 
 
 
 

32. Which of the following shows heterotrichous habit?

 
 
 
 

33. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

35. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Water-net is the name of:

 
 
 
 

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

 
 
 
 

40. Iodine is obtained from:

 
 
 
 

41. Most of the algae are :

 
 
 
 

42. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

44. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Among the algae kelps are :

 
 
 
 

51. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

60. The alga, Spirogyra are found in :

 
 
 
 

61. Which of the following have algal zone?

 
 
 
 

62. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

64. One of the distinctive feature of Spirogyra is :

 
 
 
 

65. Redness of red sea is due to :

 
 
 
 

66. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

68. Which of the following is a parasitic algae?

 
 
 
 

69. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Ulothrix produces :

 
 
 
 

77. The chloroplast in Ulothrix is :

 
 
 
 

78. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

86. Each chloroplast in Spirogyra bears :