Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Iodine is obtained from :

 
 
 
 

14. The chloroplast of Chlamydomonas are:

 
 
 
 

15. One of the distinctive feature of Spirogyra is :

 
 
 
 

16. Meiosis in Ulothrix takes place:

 
 
 
 

17. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

19. Synzoospore is produced in:

 
 
 
 

20. The word “sea weeds” is used for:

 
 
 
 

21. The alga, Spirogyra are found in :

 
 
 
 

22. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

24. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Cap cells are found in the filament of:

 
 
 
 

29. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. The zoospores of Ulothrix are :

 
 
 
 

33. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Iodine is obtained from:

 
 
 
 

37. What are Cyanobacteria?

 
 
 
 

38. Which of the following is a parasitic algae?

 
 
 
 

39. All algae have:

 
 
 
 

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

 
 
 
 

41. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

43. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

45. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Which group of algae have an incipient nucleus?

 
 
 
 

56. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Ulothrix produces :

 
 
 
 

66. Mostly type of zygospore in Ulothrix is:

 
 
 
 

67. Heterotrichous habit means :

 
 
 
 

68. Choose the correct statement about Spirogyra:

 
 
 
 

69. Which fixes atmospheric nitrogen?

 
 
 
 

70. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

72. Most of the algae are :

 
 
 
 

73. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

75. Which of the following have a prokaryotic cell?

 
 
 
 

76. Most common type of conjugation in Spirogyra is :

 
 
 
 

77. Each chloroplast in Spirogyra bears :

 
 
 
 

78. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

79. Water bloom is generally caused by :

 
 
 
 

80. Redness of red sea is due to :

 
 
 
 

81. Antibiotic has been extracted from :

 
 
 
 

82. Which of the following have algal zone?

 
 
 
 

83. Heterocysts are found in :

 
 
 
 

84. Nannandria are:

 
 
 
 

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

 
 
 
 

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