Quiz_Algae

1. One of the distinctive feature of Spirogyra is :

 
 
 
 

2. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

4. Mostly type of zygospore in Ulothrix is:

 
 
 
 

5. Iodine is obtained from :

 
 
 
 

6. Heterocysts are found in :

 
 
 
 

7. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

15. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

17. The alga, Spirogyra are found in :

 
 
 
 

18. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Cap cells are found in the filament of:

 
 
 
 

22. Antibiotic has been extracted from :

 
 
 
 

23. Synzoospore is produced in:

 
 
 
 

24. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Spirogyra represents the :

 
 
 
 

28. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Which group of algae have an incipient nucleus?

 
 
 
 

40. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

41. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. The flagella of Chlamydomonas are:

 
 
 
 

47. Among the algae kelps are :

 
 
 
 

48. An alga which is rich in proteins:

 
 
 
 

49. True sexuality is not found in:

 
 
 
 

50. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

52. Most of the algae are :

 
 
 
 

53. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

58. Nannandria are:

 
 
 
 

59. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

61. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

69. The largest alga is:

 
 
 
 

70. Water bloom is generally caused by :

 
 
 
 

71. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Each chloroplast in Spirogyra bears :

 
 
 
 

76. Which of the following have algal zone?

 
 
 
 

77. The chloroplast of Chlamydomonas are:

 
 
 
 

78. Which of the following shows heterotrichous habit?

 
 
 
 

79. Ulothrix produces :

 
 
 
 

80. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

82. The zoospores of Ulothrix are :

 
 
 
 

83. Isomorphic type alternation of generation is found in:

 
 
 
 

84. What are Cyanobacteria?

 
 
 
 

85. The chloroplast in Ulothrix is :

 
 
 
 

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