Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

5. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

6. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

8. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Which of the following is a parasitic algae?

 
 
 
 

12. Which group of algae have an incipient nucleus?

 
 
 
 

13. Synzoospore is produced in:

 
 
 
 

14. Water-net is the name of:

 
 
 
 

15. Choose the correct statement about Spirogyra:

 
 
 
 

16. Which of the following have algal zone?

 
 
 
 

17. The largest alga is:

 
 
 
 

18. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

20. Which one of the following statement is wrong?

 
 
 
 

21. Meiosis in Ulothrix takes place:

 
 
 
 

22. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

28. Nannandria are:

 
 
 
 

29. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

31. Which of the following shows heterotrichous habit?

 
 
 
 

32. Ulothrix produces :

 
 
 
 

33. Agar-agar is obtained from:

 
 
 
 

34. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Iodine is obtained from:

 
 
 
 

61. Asexual reproductive body of Volvox is called:

 
 
 
 

62. Each chloroplast in Spirogyra bears :

 
 
 
 

63. An alga which is rich in proteins:

 
 
 
 

64. Among the algae kelps are :

 
 
 
 

65. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

67. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

69. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

71. All algae have:

 
 
 
 

72. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

74. The word “sea weeds” is used for:

 
 
 
 

75. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

77. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

79. Which of the following have a prokaryotic cell?

 
 
 
 

80. The alga, Spirogyra are found in :

 
 
 
 

81. Most common type of conjugation in Spirogyra is :

 
 
 
 

82. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

84. The zoospores of Ulothrix are :

 
 
 
 

85. The chloroplast of Chlamydomonas are:

 
 
 
 

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