Quiz_Algae

1. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

6. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

8. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

10. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

12. Ulothrix produces :

 
 
 
 

13. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

14. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

16. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Nannandria are:

 
 
 
 

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

 
 
 
 

25. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

27. Which fixes atmospheric nitrogen?

 
 
 
 

28. Which one of the following statement is wrong?

 
 
 
 

29. Antibiotic has been extracted from :

 
 
 
 

30. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. The chloroplast of Chlamydomonas are:

 
 
 
 

35. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Which of the following shows heterotrichous habit?

 
 
 
 

44. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

46. Redness of red sea is due to :

 
 
 
 

47. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

49. Heterocysts are found in :

 
 
 
 

50. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

52. Among the algae kelps are :

 
 
 
 

53. Agar-agar is obtained from:

 
 
 
 

54. Water-net is the name of:

 
 
 
 

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

 
 
 
 

56. Most common type of conjugation in Spirogyra is :

 
 
 
 

57. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

59. Which group of algae have an incipient nucleus?

 
 
 
 

60. The alga, Spirogyra are found in :

 
 
 
 

61. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which of the following have a prokaryotic cell?

 
 
 
 

65. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

67. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. All algae have:

 
 
 
 

73. Each chloroplast in Spirogyra bears :

 
 
 
 

74. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

76. One of the distinctive feature of Spirogyra is :

 
 
 
 

77. Most of the algae are :

 
 
 
 

78. Asexual reproductive body of Volvox is called:

 
 
 
 

79. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Synzoospore is produced in:

 
 
 
 

83. True sexuality is not found in:

 
 
 
 

84. The largest alga is:

 
 
 
 

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

 
 
 
 

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