Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

5. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

7. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

9. Water bloom is generally caused by :

 
 
 
 

10. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Mostly type of zygospore in Ulothrix is:

 
 
 
 

17. Cap cells are found in the filament of:

 
 
 
 

18. Synzoospore is produced in:

 
 
 
 

19. The chloroplast of Chlamydomonas are:

 
 
 
 

20. Most common type of conjugation in Spirogyra is :

 
 
 
 

21. Choose the correct statement about Spirogyra:

 
 
 
 

22. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

24. The alga, Spirogyra are found in :

 
 
 
 

25. The chloroplast in Ulothrix is :

 
 
 
 

26. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which of the following have algal zone?

 
 
 
 

31. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

36. Meiosis in Ulothrix takes place:

 
 
 
 

37. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

39. Nannandria are:

 
 
 
 

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

 
 
 
 

41. Isomorphic type alternation of generation is found in:

 
 
 
 

42. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

44. All algae have:

 
 
 
 

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

 
 
 
 

46. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. The word “sea weeds” is used for:

 
 
 
 

51. The zoospores of Ulothrix are :

 
 
 
 

52. Which of the following shows heterotrichous habit?

 
 
 
 

53. Which fixes atmospheric nitrogen?

 
 
 
 

54. Agar-agar is obtained from:

 
 
 
 

55. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

57. Each chloroplast in Spirogyra bears :

 
 
 
 

58. Water-net is the name of:

 
 
 
 

59. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Most of the algae are :

 
 
 
 

64. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

66. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

67. Ectocarpus produces:

 
 
 
 

68. The flagella of Chlamydomonas are:

 
 
 
 

69. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Ulothrix produces :

 
 
 
 

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

 
 
 
 

84. The largest alga is:

 
 
 
 

85. Which of the following is a parasitic algae?

 
 
 
 

86. Heterotrichous habit means :