Quiz_Algae

1. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Which fixes atmospheric nitrogen?

 
 
 
 

5. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. True sexuality is not found in:

 
 
 
 

10. Water bloom is generally caused by :

 
 
 
 

11. Spirogyra represents the :

 
 
 
 

12. The word “sea weeds” is used for:

 
 
 
 

13. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

15. Isomorphic type alternation of generation is found in:

 
 
 
 

16. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

17. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

19. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

21. Mostly type of zygospore in Ulothrix is:

 
 
 
 

22. Which of the following have algal zone?

 
 
 
 

23. Each chloroplast in Spirogyra bears :

 
 
 
 

24. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Ectocarpus produces:

 
 
 
 

29. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

35. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

37. The flagella of Chlamydomonas are:

 
 
 
 

38. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

40. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Among the algae kelps are :

 
 
 
 

44. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

49. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. The largest alga is:

 
 
 
 

56. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Most of the algae are :

 
 
 
 

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

 
 
 
 

61. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

63. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Choose the correct statement about Spirogyra:

 
 
 
 

67. All algae have:

 
 
 
 

68. The chloroplast in Ulothrix is :

 
 
 
 

69. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

71. The chloroplast of Chlamydomonas are:

 
 
 
 

72. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

74. Cap cells are found in the filament of:

 
 
 
 

75. Heterocysts are found in :

 
 
 
 

76. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

78. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

80. Which of the following is a parasitic algae?

 
 
 
 

81. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Nannandria are: