Quiz_Algae

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

 
 
 
 

2. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

4. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

6. Ulothrix produces :

 
 
 
 

7. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

11. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

28. Meiosis in Ulothrix takes place:

 
 
 
 

29. Water bloom is generally caused by :

 
 
 
 

30. Nannandria are:

 
 
 
 

31. Heterocysts are found in :

 
 
 
 

32. Redness of red sea is due to :

 
 
 
 

33. Water-net is the name of:

 
 
 
 

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

 
 
 
 

35. Which of the following have a prokaryotic cell?

 
 
 
 

36. The word “sea weeds” is used for:

 
 
 
 

37. Which one of the following statement is wrong?

 
 
 
 

38. The largest alga is:

 
 
 
 

39. The zoospores of Ulothrix are :

 
 
 
 

40. Each chloroplast in Spirogyra bears :

 
 
 
 

41. The flagella of Chlamydomonas are:

 
 
 
 

42. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

44. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

50. One of the distinctive feature of Spirogyra is :

 
 
 
 

51. True sexuality is not found in:

 
 
 
 

52. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Asexual reproductive body of Volvox is called:

 
 
 
 

57. Antibiotic has been extracted from :

 
 
 
 

58. Which of the following have algal zone?

 
 
 
 

59. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

64. Heterotrichous habit means :

 
 
 
 

65. Ectocarpus produces:

 
 
 
 

66. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

76. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. What are Cyanobacteria?

 
 
 
 

80. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

82. Which of the following is a parasitic algae?

 
 
 
 

83. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

85. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

86. Isomorphic type alternation of generation is found in: