Quiz_Algae

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

 
 
 
 

2. Which fixes atmospheric nitrogen?

 
 
 
 

3. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

9. Cap cells are found in the filament of:

 
 
 
 

10. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

12. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

14. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

19. Synzoospore is produced in:

 
 
 
 

20. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

25. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

27. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. The chloroplast of Chlamydomonas are:

 
 
 
 

31. Spirogyra represents the :

 
 
 
 

32. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

33. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

35. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

36. Which of the following shows heterotrichous habit?

 
 
 
 

37. The zoospores of Ulothrix are :

 
 
 
 

38. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

40. Each chloroplast in Spirogyra bears :

 
 
 
 

41. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

47. Heterotrichous habit means :

 
 
 
 

48. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

59. The largest alga is:

 
 
 
 

60. All algae have:

 
 
 
 

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

 
 
 
 

62. Iodine is obtained from:

 
 
 
 

63. Choose the correct statement about Spirogyra:

 
 
 
 

64. Iodine is obtained from :

 
 
 
 

65. Nannandria are:

 
 
 
 

66. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

67. An alga which is rich in proteins:

 
 
 
 

68. Asexual reproductive body of Volvox is called:

 
 
 
 

69. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

71. Heterocysts are found in :

 
 
 
 

72. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

74. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Which of the following is a parasitic algae?

 
 
 
 

81. Water-net is the name of:

 
 
 
 

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

 
 
 
 

83. Redness of red sea is due to :

 
 
 
 

84. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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