Quiz_Algae

1. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

3. Agar-agar is obtained from:

 
 
 
 

4. Which of the following have algal zone?

 
 
 
 

5. Which of the following have a prokaryotic cell?

 
 
 
 

6. The largest alga is:

 
 
 
 

7. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Water bloom is generally caused by :

 
 
 
 

24. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Cap cells are found in the filament of:

 
 
 
 

28. Nannandria are:

 
 
 
 

29. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

31. Which of the following shows heterotrichous habit?

 
 
 
 

32. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

34. Most of the algae are :

 
 
 
 

35. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

37. The alga, Spirogyra are found in :

 
 
 
 

38. Spirogyra represents the :

 
 
 
 

39. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

41. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

42. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

44. Heterotrichous habit means :

 
 
 
 

45. The word “sea weeds” is used for:

 
 
 
 

46. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

48. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

50. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

52. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Meiosis in Ulothrix takes place:

 
 
 
 

58. Water-net is the name of:

 
 
 
 

59. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Ulothrix produces :

 
 
 
 

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

 
 
 
 

64. Each chloroplast in Spirogyra bears :

 
 
 
 

65. Heterocysts are found in :

 
 
 
 

66. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Isomorphic type alternation of generation is found in:

 
 
 
 

71. Iodine is obtained from :

 
 
 
 

72. The flagella of Chlamydomonas are:

 
 
 
 

73. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

75. Antibiotic has been extracted from :

 
 
 
 

76. Among the algae kelps are :

 
 
 
 

77. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

79. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

81. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

86. Which group of algae have an incipient nucleus?