Quiz_Algae

1. The word “sea weeds” is used for:

 
 
 
 

2. Most common type of conjugation in Spirogyra is :

 
 
 
 

3. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

8. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

16. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Which group of algae have an incipient nucleus?

 
 
 
 

28. Water bloom is generally caused by :

 
 
 
 

29. The largest alga is:

 
 
 
 

30. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

37. Each chloroplast in Spirogyra bears :

 
 
 
 

38. Cap cells are found in the filament of:

 
 
 
 

39. Isomorphic type alternation of generation is found in:

 
 
 
 

40. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

42. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

43. An alga which is rich in proteins:

 
 
 
 

44. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

46. The flagella of Chlamydomonas are:

 
 
 
 

47. Which of the following have a prokaryotic cell?

 
 
 
 

48. Which one of the following statement is wrong?

 
 
 
 

49. Ulothrix produces :

 
 
 
 

50. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Agar-agar is obtained from:

 
 
 
 

58. Most of the algae are :

 
 
 
 

59. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Heterotrichous habit means :

 
 
 
 

63. The zoospores of Ulothrix are :

 
 
 
 

64. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Meiosis in Ulothrix takes place:

 
 
 
 

69. Synzoospore is produced in:

 
 
 
 

70. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Redness of red sea is due to :

 
 
 
 

74. The chloroplast of Chlamydomonas are:

 
 
 
 

75. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

77. One of the distinctive feature of Spirogyra is :

 
 
 
 

78. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

80. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

82. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

84. Iodine is obtained from:

 
 
 
 

85. Choose the correct statement about Spirogyra:

 
 
 
 

86. Ulothrix and Spirogyra are filamentous and :