Quiz_Algae

1. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Most of the algae are :

 
 
 
 

7. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Which fixes atmospheric nitrogen?

 
 
 
 

14. What are Cyanobacteria?

 
 
 
 

15. Which of the following is a parasitic algae?

 
 
 
 

16. Ulothrix produces :

 
 
 
 

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

 
 
 
 

18. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Iodine is obtained from:

 
 
 
 

23. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Meiosis in Ulothrix takes place:

 
 
 
 

29. Iodine is obtained from :

 
 
 
 

30. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

32. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

34. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Which of the following have a prokaryotic cell?

 
 
 
 

40. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Agar-agar is obtained from:

 
 
 
 

44. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Heterocysts are found in :

 
 
 
 

49. Water-net is the name of:

 
 
 
 

50. Ectocarpus produces:

 
 
 
 

51. Isomorphic type alternation of generation is found in:

 
 
 
 

52. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

53. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Mostly type of zygospore in Ulothrix is:

 
 
 
 

60. Which one of the following statement is wrong?

 
 
 
 

61. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

63. The chloroplast of Chlamydomonas are:

 
 
 
 

64. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Choose the correct statement about Spirogyra:

 
 
 
 

69. The zoospores of Ulothrix are :

 
 
 
 

70. Water bloom is generally caused by :

 
 
 
 

71. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. One of the distinctive feature of Spirogyra is :

 
 
 
 

75. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. The largest alga is:

 
 
 
 

79. The word “sea weeds” is used for:

 
 
 
 

80. Spirogyra represents the :

 
 
 
 

81. Among the algae kelps are :

 
 
 
 

82. Which group of algae have an incipient nucleus?

 
 
 
 

83. Each chloroplast in Spirogyra bears :

 
 
 
 

84. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

86. True sexuality is not found in: