Quiz_Algae

1. Water bloom is generally caused by :

 
 
 
 

2. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. The chloroplast in Ulothrix is :

 
 
 
 

6. Nannandria are:

 
 
 
 

7. The zoospores of Ulothrix are :

 
 
 
 

8. Which one of the following statement is wrong?

 
 
 
 

9. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. What are Cyanobacteria?

 
 
 
 

13. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Each chloroplast in Spirogyra bears :

 
 
 
 

17. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

19. One of the distinctive feature of Spirogyra is :

 
 
 
 

20. Iodine is obtained from :

 
 
 
 

21. Ectocarpus produces:

 
 
 
 

22. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

24. Most of the algae are :

 
 
 
 

25. The largest alga is:

 
 
 
 

26. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

38. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. An alga which is rich in proteins:

 
 
 
 

44. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

46. All algae have:

 
 
 
 

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

 
 
 
 

48. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Isomorphic type alternation of generation is found in:

 
 
 
 

53. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

55. Mostly type of zygospore in Ulothrix is:

 
 
 
 

56. Water-net is the name of:

 
 
 
 

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

 
 
 
 

58. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

60. Ulothrix produces :

 
 
 
 

61. The chloroplast of Chlamydomonas are:

 
 
 
 

62. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

67. Choose the correct statement about Spirogyra:

 
 
 
 

68. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

73. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

75. Among the algae kelps are :

 
 
 
 

76. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

80. Antibiotic has been extracted from :

 
 
 
 

81. Most common type of conjugation in Spirogyra is :

 
 
 
 

82. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Meiosis in Ulothrix takes place:

 
 
 
 

86. The alga, Spirogyra are found in :