Quiz_Algae

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

 
 
 
 

2. Most of the algae are :

 
 
 
 

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

 
 
 
 

4. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

9. The largest alga is:

 
 
 
 

10. Which group of algae have an incipient nucleus?

 
 
 
 

11. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

13. Ulothrix produces :

 
 
 
 

14. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

15. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

17. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

19. Redness of red sea is due to :

 
 
 
 

20. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

22. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

24. What are Cyanobacteria?

 
 
 
 

25. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Most common type of conjugation in Spirogyra is :

 
 
 
 

29. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

31. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

37. Heterocysts are found in :

 
 
 
 

38. Isomorphic type alternation of generation is found in:

 
 
 
 

39. Iodine is obtained from :

 
 
 
 

40. One of the distinctive feature of Spirogyra is :

 
 
 
 

41. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

43. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Iodine is obtained from:

 
 
 
 

54. Choose the correct statement about Spirogyra:

 
 
 
 

55. Cap cells are found in the filament of:

 
 
 
 

56. Spirogyra represents the :

 
 
 
 

57. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Nannandria are:

 
 
 
 

65. Antibiotic has been extracted from :

 
 
 
 

66. Which one of the following statement is wrong?

 
 
 
 

67. Meiosis in Ulothrix takes place:

 
 
 
 

68. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

73. The word “sea weeds” is used for:

 
 
 
 

74. Asexual reproductive body of Volvox is called:

 
 
 
 

75. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. True sexuality is not found in:

 
 
 
 

84. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

86. Ulothrix and Spirogyra reproduce vegetatively by :