Quiz_Algae

1. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

3. Synzoospore is produced in:

 
 
 
 

4. One of the distinctive feature of Spirogyra is :

 
 
 
 

5. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

6. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

8. Choose the correct statement about Spirogyra:

 
 
 
 

9. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Redness of red sea is due to :

 
 
 
 

18. Agar-agar is obtained from:

 
 
 
 

19. Mostly type of zygospore in Ulothrix is:

 
 
 
 

20. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

25. Nannandria are:

 
 
 
 

26. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

28. Cap cells are found in the filament of:

 
 
 
 

29. All algae have:

 
 
 
 

30. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The word “sea weeds” is used for:

 
 
 
 

36. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

37. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

39. Which of the following is a parasitic algae?

 
 
 
 

40. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

42. Water-net is the name of:

 
 
 
 

43. Ulothrix produces :

 
 
 
 

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

 
 
 
 

45. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. The flagella of Chlamydomonas are:

 
 
 
 

49. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. The alga, Spirogyra are found in :

 
 
 
 

53. The zoospores of Ulothrix are :

 
 
 
 

54. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

56. Iodine is obtained from:

 
 
 
 

57. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

59. Most of the algae are :

 
 
 
 

60. The chloroplast in Ulothrix is :

 
 
 
 

61. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

63. The largest alga is:

 
 
 
 

64. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

66. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. True sexuality is not found in:

 
 
 
 

71. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Asexual reproductive body of Volvox is called:

 
 
 
 

77. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. What are Cyanobacteria?

 
 
 
 

81. Iodine is obtained from :

 
 
 
 

82. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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