Quiz_Algae

1. Meiosis in Ulothrix takes place:

 
 
 
 

2. Ulothrix produces :

 
 
 
 

3. Which fixes atmospheric nitrogen?

 
 
 
 

4. Asexual reproductive body of Volvox is called:

 
 
 
 

5. What are Cyanobacteria?

 
 
 
 

6. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Which of the following is a parasitic algae?

 
 
 
 

10. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Nannandria are:

 
 
 
 

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

 
 
 
 

15. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

20. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Which one of the following statement is wrong?

 
 
 
 

24. Most common type of conjugation in Spirogyra is :

 
 
 
 

25. One of the distinctive feature of Spirogyra is :

 
 
 
 

26. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

33. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

35. Mostly type of zygospore in Ulothrix is:

 
 
 
 

36. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. The chloroplast in Ulothrix is :

 
 
 
 

40. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Ectocarpus produces:

 
 
 
 

45. An alga which is rich in proteins:

 
 
 
 

46. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. The alga, Spirogyra are found in :

 
 
 
 

50. Antibiotic has been extracted from :

 
 
 
 

51. The word “sea weeds” is used for:

 
 
 
 

52. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

54. Each chloroplast in Spirogyra bears :

 
 
 
 

55. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Iodine is obtained from :

 
 
 
 

67. Which of the following have a prokaryotic cell?

 
 
 
 

68. Water-net is the name of:

 
 
 
 

69. The chloroplast of Chlamydomonas are:

 
 
 
 

70. Redness of red sea is due to :

 
 
 
 

71. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

77. Most of the algae are :

 
 
 
 

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

 
 
 
 

79. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

81. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

82. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

84. The flagella of Chlamydomonas are:

 
 
 
 

85. Among the algae kelps are :

 
 
 
 

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