Quiz_Algae

1. Which group of algae have an incipient nucleus?

 
 
 
 

2. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

8. Nannandria are:

 
 
 
 

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

 
 
 
 

10. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

18. The chloroplast in Ulothrix is :

 
 
 
 

19. Redness of red sea is due to :

 
 
 
 

20. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

21. One of the distinctive feature of Spirogyra is :

 
 
 
 

22. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

24. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

25. Ulothrix produces :

 
 
 
 

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

 
 
 
 

27. Mostly type of zygospore in Ulothrix is:

 
 
 
 

28. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Which of the following is a parasitic algae?

 
 
 
 

34. All algae have:

 
 
 
 

35. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. An alga which is rich in proteins:

 
 
 
 

40. Which fixes atmospheric nitrogen?

 
 
 
 

41. The chloroplast of Chlamydomonas are:

 
 
 
 

42. Ectocarpus produces:

 
 
 
 

43. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

48. Among the algae kelps are :

 
 
 
 

49. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

51. Most common type of conjugation in Spirogyra is :

 
 
 
 

52. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

54. Cap cells are found in the filament of:

 
 
 
 

55. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

56. Asexual reproductive body of Volvox is called:

 
 
 
 

57. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. The largest alga is:

 
 
 
 

61. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

63. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Agar-agar is obtained from:

 
 
 
 

67. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

69. The alga, Spirogyra are found in :

 
 
 
 

70. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

72. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

79. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

81. Heterocysts are found in :

 
 
 
 

82. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Water-net is the name of:

 
 
 
 

86. Choose the correct statement about Spirogyra: