Quiz_Algae

1. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

2. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

4. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

6. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

8. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

14. Choose the correct statement about Spirogyra:

 
 
 
 

15. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. All algae have:

 
 
 
 

22. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Which of the following is a parasitic algae?

 
 
 
 

27. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Most of the algae are :

 
 
 
 

35. Which one of the following statement is wrong?

 
 
 
 

36. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

41. Synzoospore is produced in:

 
 
 
 

42. True sexuality is not found in:

 
 
 
 

43. Nannandria are:

 
 
 
 

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

 
 
 
 

45. One of the distinctive feature of Spirogyra is :

 
 
 
 

46. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

48. Water-net is the name of:

 
 
 
 

49. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

54. Iodine is obtained from :

 
 
 
 

55. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Meiosis in Ulothrix takes place:

 
 
 
 

59. Which of the following shows heterotrichous habit?

 
 
 
 

60. Spirogyra represents the :

 
 
 
 

61. The alga, Spirogyra are found in :

 
 
 
 

62. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

67. Iodine is obtained from:

 
 
 
 

68. The chloroplast of Chlamydomonas are:

 
 
 
 

69. Redness of red sea is due to :

 
 
 
 

70. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

77. Mostly type of zygospore in Ulothrix is:

 
 
 
 

78. Agar-agar is obtained from:

 
 
 
 

79. Which group of algae have an incipient nucleus?

 
 
 
 

80. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

84. Ulothrix produces :

 
 
 
 

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

 
 
 
 

86. The zoospores of Ulothrix are :