Quiz_Algae

1. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Redness of red sea is due to :

 
 
 
 

9. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

11. An alga which is rich in proteins:

 
 
 
 

12. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

14. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Cap cells are found in the filament of:

 
 
 
 

20. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

22. Each chloroplast in Spirogyra bears :

 
 
 
 

23. Meiosis in Ulothrix takes place:

 
 
 
 

24. The word “sea weeds” is used for:

 
 
 
 

25. Heterotrichous habit means :

 
 
 
 

26. Water bloom is generally caused by :

 
 
 
 

27. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

32. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

40. Most of the algae are :

 
 
 
 

41. The flagella of Chlamydomonas are:

 
 
 
 

42. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. All algae have:

 
 
 
 

47. Ulothrix produces :

 
 
 
 

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

 
 
 
 

49. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

56. Which group of algae have an incipient nucleus?

 
 
 
 

57. Which of the following shows heterotrichous habit?

 
 
 
 

58. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Synzoospore is produced in:

 
 
 
 

66. Ectocarpus produces:

 
 
 
 

67. One of the distinctive feature of Spirogyra is :

 
 
 
 

68. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

70. Among the algae kelps are :

 
 
 
 

71. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

73. Water-net is the name of:

 
 
 
 

74. The largest alga is:

 
 
 
 

75. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

77. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

78. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

80. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Antibiotic has been extracted from :

 
 
 
 

85. Which one of the following statement is wrong?

 
 
 
 

86. Choose the correct statement about Spirogyra: