Quiz_Algae

1. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Which one of the following statement is wrong?

 
 
 
 

7. Which of the following have a prokaryotic cell?

 
 
 
 

8. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

10. True sexuality is not found in:

 
 
 
 

11. Mostly type of zygospore in Ulothrix is:

 
 
 
 

12. The flagella of Chlamydomonas are:

 
 
 
 

13. The largest alga is:

 
 
 
 

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

 
 
 
 

15. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

17. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

26. The chloroplast of Chlamydomonas are:

 
 
 
 

27. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

29. Each chloroplast in Spirogyra bears :

 
 
 
 

30. Ectocarpus produces:

 
 
 
 

31. Agar-agar is obtained from:

 
 
 
 

32. All algae have:

 
 
 
 

33. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

35. Choose the correct statement about Spirogyra:

 
 
 
 

36. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Spirogyra represents the :

 
 
 
 

45. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

47. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

49. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

54. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Nannandria are:

 
 
 
 

58. Which of the following is a parasitic algae?

 
 
 
 

59. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

60. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

62. Water-net is the name of:

 
 
 
 

63. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

65. The word “sea weeds” is used for:

 
 
 
 

66. Iodine is obtained from:

 
 
 
 

67. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

72. Heterotrichous habit means :

 
 
 
 

73. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

75. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Iodine is obtained from :

 
 
 
 

80. Which of the following have algal zone?

 
 
 
 

81. Which group of algae have an incipient nucleus?

 
 
 
 

82. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Cap cells are found in the filament of: