Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. The largest alga is:

 
 
 
 

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

 
 
 
 

8. Meiosis in Ulothrix takes place:

 
 
 
 

9. Water-net is the name of:

 
 
 
 

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

 
 
 
 

11. Iodine is obtained from:

 
 
 
 

12. Which of the following have a prokaryotic cell?

 
 
 
 

13. Most common type of conjugation in Spirogyra is :

 
 
 
 

14. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

26. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

28. Nannandria are:

 
 
 
 

29. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The chloroplast in Ulothrix is :

 
 
 
 

36. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

38. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

40. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

41. All algae have:

 
 
 
 

42. The chloroplast of Chlamydomonas are:

 
 
 
 

43. Ectocarpus produces:

 
 
 
 

44. The flagella of Chlamydomonas are:

 
 
 
 

45. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

46. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

50. Water bloom is generally caused by :

 
 
 
 

51. One of the distinctive feature of Spirogyra is :

 
 
 
 

52. Antibiotic has been extracted from :

 
 
 
 

53. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. The zoospores of Ulothrix are :

 
 
 
 

57. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Heterotrichous habit means :

 
 
 
 

61. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which of the following shows heterotrichous habit?

 
 
 
 

65. Mostly type of zygospore in Ulothrix is:

 
 
 
 

66. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Most of the algae are :

 
 
 
 

71. Each chloroplast in Spirogyra bears :

 
 
 
 

72. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Which fixes atmospheric nitrogen?

 
 
 
 

76. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

78. Ulothrix produces :

 
 
 
 

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

 
 
 
 

80. Heterocysts are found in :

 
 
 
 

81. Agar-agar is obtained from:

 
 
 
 

82. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. The alga, Spirogyra are found in :

 
 
 
 

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