Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Antibiotic has been extracted from :

 
 
 
 

8. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Ulothrix produces :

 
 
 
 

12. Most common type of conjugation in Spirogyra is :

 
 
 
 

13. Most of the algae are :

 
 
 
 

14. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

16. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Water-net is the name of:

 
 
 
 

20. The alga, Spirogyra are found in :

 
 
 
 

21. Iodine is obtained from:

 
 
 
 

22. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

24. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

30. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

32. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

34. The word “sea weeds” is used for:

 
 
 
 

35. Choose the correct statement about Spirogyra:

 
 
 
 

36. An alga which is rich in proteins:

 
 
 
 

37. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. What are Cyanobacteria?

 
 
 
 

44. Water bloom is generally caused by :

 
 
 
 

45. True sexuality is not found in:

 
 
 
 

46. Meiosis in Ulothrix takes place:

 
 
 
 

47. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

49. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Asexual reproductive body of Volvox is called:

 
 
 
 

53. Which fixes atmospheric nitrogen?

 
 
 
 

54. Ectocarpus produces:

 
 
 
 

55. Which one of the following statement is wrong?

 
 
 
 

56. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Which of the following is a parasitic algae?

 
 
 
 

60. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

62. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Spirogyra represents the :

 
 
 
 

67. Redness of red sea is due to :

 
 
 
 

68. Which group of algae have an incipient nucleus?

 
 
 
 

69. Which of the following shows heterotrichous habit?

 
 
 
 

70. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. All algae have:

 
 
 
 

75. One of the distinctive feature of Spirogyra is :

 
 
 
 

76. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Which of the following have a prokaryotic cell?

 
 
 
 

81. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. The largest alga is:

 
 
 
 

86. Ulothrix and Spirogyra are filamentous and :