Quiz_Algae

1. Mostly type of zygospore in Ulothrix is:

 
 
 
 

2. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

8. Nannandria are:

 
 
 
 

9. Agar-agar is obtained from:

 
 
 
 

10. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

12. One of the distinctive feature of Spirogyra is :

 
 
 
 

13. All algae have:

 
 
 
 

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

 
 
 
 

15. Which of the following have a prokaryotic cell?

 
 
 
 

16. Most common type of conjugation in Spirogyra is :

 
 
 
 

17. What are Cyanobacteria?

 
 
 
 

18. Ulothrix produces :

 
 
 
 

19. Choose the correct statement about Spirogyra:

 
 
 
 

20. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Iodine is obtained from:

 
 
 
 

24. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

29. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

30. Heterotrichous habit means :

 
 
 
 

31. Which of the following shows heterotrichous habit?

 
 
 
 

32. Antibiotic has been extracted from :

 
 
 
 

33. Cap cells are found in the filament of:

 
 
 
 

34. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

36. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

37. Isomorphic type alternation of generation is found in:

 
 
 
 

38. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

40. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. The largest alga is:

 
 
 
 

55. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Spirogyra represents the :

 
 
 
 

59. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

61. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Iodine is obtained from :

 
 
 
 

68. Water-net is the name of:

 
 
 
 

69. The chloroplast in Ulothrix is :

 
 
 
 

70. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Each chloroplast in Spirogyra bears :

 
 
 
 

76. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

82. Which group of algae have an incipient nucleus?

 
 
 
 

83. Which fixes atmospheric nitrogen?

 
 
 
 

84. Which one of the following statement is wrong?

 
 
 
 

85. The alga, Spirogyra are found in :

 
 
 
 

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