Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Nannandria are:

 
 
 
 

6. Which of the following is a parasitic algae?

 
 
 
 

7. Redness of red sea is due to :

 
 
 
 

8. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

21. Antibiotic has been extracted from :

 
 
 
 

22. Water-net is the name of:

 
 
 
 

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

 
 
 
 

24. Most common type of conjugation in Spirogyra is :

 
 
 
 

25. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Spirogyra represents the :

 
 
 
 

29. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

31. The zoospores of Ulothrix are :

 
 
 
 

32. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

34. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

36. Most of the algae are :

 
 
 
 

37. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

39. Heterocysts are found in :

 
 
 
 

40. Which of the following shows heterotrichous habit?

 
 
 
 

41. Ectocarpus produces:

 
 
 
 

42. Water bloom is generally caused by :

 
 
 
 

43. An alga which is rich in proteins:

 
 
 
 

44. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

45. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

47. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. The chloroplast of Chlamydomonas are:

 
 
 
 

52. Iodine is obtained from:

 
 
 
 

53. Ulothrix produces :

 
 
 
 

54. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

59. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

64. The flagella of Chlamydomonas are:

 
 
 
 

65. Synzoospore is produced in:

 
 
 
 

66. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. The chloroplast in Ulothrix is :

 
 
 
 

72. The largest alga is:

 
 
 
 

73. Which of the following have a prokaryotic cell?

 
 
 
 

74. Heterotrichous habit means :

 
 
 
 

75. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

80. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

82. Which group of algae have an incipient nucleus?

 
 
 
 

83. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. All algae have: