Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Mostly type of zygospore in Ulothrix is:

 
 
 
 

5. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Meiosis in Ulothrix takes place:

 
 
 
 

9. Spirogyra represents the :

 
 
 
 

10. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

18. All algae have:

 
 
 
 

19. Cap cells are found in the filament of:

 
 
 
 

20. The flagella of Chlamydomonas are:

 
 
 
 

21. The word “sea weeds” is used for:

 
 
 
 

22. True sexuality is not found in:

 
 
 
 

23. Water bloom is generally caused by :

 
 
 
 

24. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

26. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

28. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

35. The chloroplast in Ulothrix is :

 
 
 
 

36. Antibiotic has been extracted from :

 
 
 
 

37. What are Cyanobacteria?

 
 
 
 

38. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

40. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

42. Iodine is obtained from :

 
 
 
 

43. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

45. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Which one of the following statement is wrong?

 
 
 
 

49. Which of the following have algal zone?

 
 
 
 

50. An alga which is rich in proteins:

 
 
 
 

51. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

52. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

53. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

55. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

57. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

59. Heterocysts are found in :

 
 
 
 

60. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

62. Heterotrichous habit means :

 
 
 
 

63. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

65. The largest alga is:

 
 
 
 

66. Synzoospore is produced in:

 
 
 
 

67. Ulothrix produces :

 
 
 
 

68. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

70. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Nannandria are:

 
 
 
 

83. Isomorphic type alternation of generation is found in:

 
 
 
 

84. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

86. Iodine is obtained from: