Quiz_Algae

1. The largest alga is:

 
 
 
 

2. All algae have:

 
 
 
 

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

 
 
 
 

4. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

11. Synzoospore is produced in:

 
 
 
 

12. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Asexual reproductive body of Volvox is called:

 
 
 
 

23. One of the distinctive feature of Spirogyra is :

 
 
 
 

24. Which group of algae have an incipient nucleus?

 
 
 
 

25. Choose the correct statement about Spirogyra:

 
 
 
 

26. Ectocarpus produces:

 
 
 
 

27. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

29. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. The zoospores of Ulothrix are :

 
 
 
 

33. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

35. Among the algae kelps are :

 
 
 
 

36. Which of the following shows heterotrichous habit?

 
 
 
 

37. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

39. Mostly type of zygospore in Ulothrix is:

 
 
 
 

40. Water bloom is generally caused by :

 
 
 
 

41. Agar-agar is obtained from:

 
 
 
 

42. Iodine is obtained from :

 
 
 
 

43. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

44. Which of the following is a parasitic algae?

 
 
 
 

45. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. What are Cyanobacteria?

 
 
 
 

52. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Water-net is the name of:

 
 
 
 

57. Redness of red sea is due to :

 
 
 
 

58. Isomorphic type alternation of generation is found in:

 
 
 
 

59. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

61. The chloroplast of Chlamydomonas are:

 
 
 
 

62. Which of the following have a prokaryotic cell?

 
 
 
 

63. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Nannandria are:

 
 
 
 

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

 
 
 
 

69. An alga which is rich in proteins:

 
 
 
 

70. Most of the algae are :

 
 
 
 

71. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. The word “sea weeds” is used for:

 
 
 
 

85. Ulothrix produces :

 
 
 
 

86. Ulothrix and Spirogyra reproduce vegetatively by :