Quiz_Algae

1. Choose the correct statement about Spirogyra:

 
 
 
 

2. The largest alga is:

 
 
 
 

3. The chloroplast in Ulothrix is :

 
 
 
 

4. Water bloom is generally caused by :

 
 
 
 

5. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

6. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Among the algae kelps are :

 
 
 
 

12. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

14. Most of the algae are :

 
 
 
 

15. Which fixes atmospheric nitrogen?

 
 
 
 

16. The zoospores of Ulothrix are :

 
 
 
 

17. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. All algae have:

 
 
 
 

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

 
 
 
 

28. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

37. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

42. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

44. Synzoospore is produced in:

 
 
 
 

45. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

46. Each chloroplast in Spirogyra bears :

 
 
 
 

47. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

48. The flagella of Chlamydomonas are:

 
 
 
 

49. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

51. True sexuality is not found in:

 
 
 
 

52. Redness of red sea is due to :

 
 
 
 

53. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

55. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Agar-agar is obtained from:

 
 
 
 

62. The word “sea weeds” is used for:

 
 
 
 

63. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

65. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Which of the following have algal zone?

 
 
 
 

71. Ulothrix produces :

 
 
 
 

72. The chloroplast of Chlamydomonas are:

 
 
 
 

73. Antibiotic has been extracted from :

 
 
 
 

74. The alga, Spirogyra are found in :

 
 
 
 

75. Nannandria are:

 
 
 
 

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

 
 
 
 

77. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

79. Heterocysts are found in :

 
 
 
 

80. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Meiosis in Ulothrix takes place:

 
 
 
 

84. Most common type of conjugation in Spirogyra is :

 
 
 
 

85. Asexual reproductive body of Volvox is called:

 
 
 
 

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