Quiz_Algae

1. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

7. Synzoospore is produced in:

 
 
 
 

8. Nannandria are:

 
 
 
 

9. Most common type of conjugation in Spirogyra is :

 
 
 
 

10. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

12. True sexuality is not found in:

 
 
 
 

13. Each chloroplast in Spirogyra bears :

 
 
 
 

14. What are Cyanobacteria?

 
 
 
 

15. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

17. Antibiotic has been extracted from :

 
 
 
 

18. Which of the following is a parasitic algae?

 
 
 
 

19. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

25. All algae have:

 
 
 
 

26. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

32. The alga, Spirogyra are found in :

 
 
 
 

33. The word “sea weeds” is used for:

 
 
 
 

34. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Which fixes atmospheric nitrogen?

 
 
 
 

39. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

41. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. The largest alga is:

 
 
 
 

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

 
 
 
 

48. Heterotrichous habit means :

 
 
 
 

49. Which of the following shows heterotrichous habit?

 
 
 
 

50. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Ulothrix produces :

 
 
 
 

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

 
 
 
 

55. Spirogyra represents the :

 
 
 
 

56. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

58. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

59. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

61. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

66. Water-net is the name of:

 
 
 
 

67. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

69. An alga which is rich in proteins:

 
 
 
 

70. Heterocysts are found in :

 
 
 
 

71. Cap cells are found in the filament of:

 
 
 
 

72. The zoospores of Ulothrix are :

 
 
 
 

73. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

75. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

76. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Among the algae kelps are :

 
 
 
 

80. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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