Quiz_Algae

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

 
 
 
 

2. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

13. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

15. Water-net is the name of:

 
 
 
 

16. Heterotrichous habit means :

 
 
 
 

17. Mostly type of zygospore in Ulothrix is:

 
 
 
 

18. Nannandria are:

 
 
 
 

19. The flagella of Chlamydomonas are:

 
 
 
 

20. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

22. Which one of the following statement is wrong?

 
 
 
 

23. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Ulothrix produces :

 
 
 
 

31. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

37. The chloroplast of Chlamydomonas are:

 
 
 
 

38. All algae have:

 
 
 
 

39. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

40. The word “sea weeds” is used for:

 
 
 
 

41. Most of the algae are :

 
 
 
 

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

 
 
 
 

43. Iodine is obtained from:

 
 
 
 

44. Most common type of conjugation in Spirogyra is :

 
 
 
 

45. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Meiosis in Ulothrix takes place:

 
 
 
 

49. Synzoospore is produced in:

 
 
 
 

50. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

52. Isomorphic type alternation of generation is found in:

 
 
 
 

53. Among the algae kelps are :

 
 
 
 

54. The largest alga is:

 
 
 
 

55. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

60. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. An alga which is rich in proteins:

 
 
 
 

67. Choose the correct statement about Spirogyra:

 
 
 
 

68. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

74. Spirogyra represents the :

 
 
 
 

75. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

81. One of the distinctive feature of Spirogyra is :

 
 
 
 

82. What are Cyanobacteria?

 
 
 
 

83. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Agar-agar is obtained from: