Quiz_Algae

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

 
 
 
 

2. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

4. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Nannandria are:

 
 
 
 

8. What are Cyanobacteria?

 
 
 
 

9. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

11. Which one of the following statement is wrong?

 
 
 
 

12. The word “sea weeds” is used for:

 
 
 
 

13. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. The flagella of Chlamydomonas are:

 
 
 
 

22. Heterocysts are found in :

 
 
 
 

23. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

28. Which group of algae have an incipient nucleus?

 
 
 
 

29. The alga, Spirogyra are found in :

 
 
 
 

30. Which fixes atmospheric nitrogen?

 
 
 
 

31. Heterotrichous habit means :

 
 
 
 

32. The chloroplast in Ulothrix is :

 
 
 
 

33. Which of the following shows heterotrichous habit?

 
 
 
 

34. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

35. Meiosis in Ulothrix takes place:

 
 
 
 

36. Iodine is obtained from:

 
 
 
 

37. Spirogyra represents the :

 
 
 
 

38. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

40. Ulothrix produces :

 
 
 
 

41. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

43. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Ectocarpus produces:

 
 
 
 

49. One of the distinctive feature of Spirogyra is :

 
 
 
 

50. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

52. Among the algae kelps are :

 
 
 
 

53. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

58. Water-net is the name of:

 
 
 
 

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

 
 
 
 

60. The largest alga is:

 
 
 
 

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

 
 
 
 

62. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

64. All algae have:

 
 
 
 

65. An alga which is rich in proteins:

 
 
 
 

66. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

74. Redness of red sea is due to :

 
 
 
 

75. Isomorphic type alternation of generation is found in:

 
 
 
 

76. Most of the algae are :

 
 
 
 

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

 
 
 
 

78. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Water bloom is generally caused by :

 
 
 
 

82. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Which of the following have a prokaryotic cell?

 
 
 
 

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