Quiz_Algae

1. The largest alga is:

 
 
 
 

2. Each chloroplast in Spirogyra bears :

 
 
 
 

3. Water-net is the name of:

 
 
 
 

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

 
 
 
 

5. Ectocarpus produces:

 
 
 
 

6. Most common type of conjugation in Spirogyra is :

 
 
 
 

7. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Water bloom is generally caused by :

 
 
 
 

11. Heterocysts are found in :

 
 
 
 

12. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

13. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

21. Asexual reproductive body of Volvox is called:

 
 
 
 

22. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

23. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

25. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

33. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

35. The chloroplast in Ulothrix is :

 
 
 
 

36. Synzoospore is produced in:

 
 
 
 

37. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Iodine is obtained from:

 
 
 
 

43. Which of the following have a prokaryotic cell?

 
 
 
 

44. Among the algae kelps are :

 
 
 
 

45. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

52. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

54. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

60. Cap cells are found in the filament of:

 
 
 
 

61. Choose the correct statement about Spirogyra:

 
 
 
 

62. Agar-agar is obtained from:

 
 
 
 

63. All algae have:

 
 
 
 

64. Meiosis in Ulothrix takes place:

 
 
 
 

65. The chloroplast of Chlamydomonas are:

 
 
 
 

66. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

67. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

69. Mostly type of zygospore in Ulothrix is:

 
 
 
 

70. Antibiotic has been extracted from :

 
 
 
 

71. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Which group of algae have an incipient nucleus?

 
 
 
 

77. Ulothrix produces :

 
 
 
 

78. Nannandria are:

 
 
 
 

79. Isomorphic type alternation of generation is found in:

 
 
 
 

80. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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