Quiz_Algae

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

 
 
 
 

2. Water-net is the name of:

 
 
 
 

3. One of the distinctive feature of Spirogyra is :

 
 
 
 

4. The alga, Spirogyra are found in :

 
 
 
 

5. Iodine is obtained from:

 
 
 
 

6. All algae have:

 
 
 
 

7. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Water bloom is generally caused by :

 
 
 
 

21. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Meiosis in Ulothrix takes place:

 
 
 
 

32. The largest alga is:

 
 
 
 

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

 
 
 
 

34. Agar-agar is obtained from:

 
 
 
 

35. The chloroplast of Chlamydomonas are:

 
 
 
 

36. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

38. Which one of the following statement is wrong?

 
 
 
 

39. Antibiotic has been extracted from :

 
 
 
 

40. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

42. Mostly type of zygospore in Ulothrix is:

 
 
 
 

43. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

45. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

47. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

49. Most common type of conjugation in Spirogyra is :

 
 
 
 

50. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Heterocysts are found in :

 
 
 
 

54. Which of the following is a parasitic algae?

 
 
 
 

55. Redness of red sea is due to :

 
 
 
 

56. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

58. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

60. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

67. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Most of the algae are :

 
 
 
 

71. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

73. Which fixes atmospheric nitrogen?

 
 
 
 

74. Iodine is obtained from :

 
 
 
 

75. Synzoospore is produced in:

 
 
 
 

76. Ulothrix produces :

 
 
 
 

77. Cap cells are found in the filament of:

 
 
 
 

78. Isomorphic type alternation of generation is found in:

 
 
 
 

79. Heterotrichous habit means :

 
 
 
 

80. Which of the following have algal zone?

 
 
 
 

81. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Which of the following shows heterotrichous habit?