Quiz_Algae

1. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

3. Most of the algae are :

 
 
 
 

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

 
 
 
 

5. Agar-agar is obtained from:

 
 
 
 

6. Which of the following have a prokaryotic cell?

 
 
 
 

7. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Each chloroplast in Spirogyra bears :

 
 
 
 

14. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

15. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

17. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

19. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

21. Mostly type of zygospore in Ulothrix is:

 
 
 
 

22. Which fixes atmospheric nitrogen?

 
 
 
 

23. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

25. Ulothrix produces :

 
 
 
 

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

 
 
 
 

27. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

29. What are Cyanobacteria?

 
 
 
 

30. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

32. Antibiotic has been extracted from :

 
 
 
 

33. Meiosis in Ulothrix takes place:

 
 
 
 

34. The largest alga is:

 
 
 
 

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

 
 
 
 

36. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

42. Water-net is the name of:

 
 
 
 

43. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

49. Which of the following is a parasitic algae?

 
 
 
 

50. Heterocysts are found in :

 
 
 
 

51. Spirogyra represents the :

 
 
 
 

52. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Iodine is obtained from:

 
 
 
 

56. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

58. Iodine is obtained from :

 
 
 
 

59. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which one of the following statement is wrong?

 
 
 
 

67. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

69. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Choose the correct statement about Spirogyra:

 
 
 
 

74. Isomorphic type alternation of generation is found in:

 
 
 
 

75. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. All algae have:

 
 
 
 

80. The flagella of Chlamydomonas are:

 
 
 
 

81. Nannandria are:

 
 
 
 

82. Cap cells are found in the filament of:

 
 
 
 

83. Synzoospore is produced in:

 
 
 
 

84. Water bloom is generally caused by :

 
 
 
 

85. The chloroplast of Chlamydomonas are:

 
 
 
 

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