Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. The chloroplast of Chlamydomonas are:

 
 
 
 

4. Ectocarpus produces:

 
 
 
 

5. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. The flagella of Chlamydomonas are:

 
 
 
 

12. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Each chloroplast in Spirogyra bears :

 
 
 
 

16. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

18. Meiosis in Ulothrix takes place:

 
 
 
 

19. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

20. Nannandria are:

 
 
 
 

21. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

23. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

25. Antibiotic has been extracted from :

 
 
 
 

26. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Ulothrix produces :

 
 
 
 

30. Which fixes atmospheric nitrogen?

 
 
 
 

31. What are Cyanobacteria?

 
 
 
 

32. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

33. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

35. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

37. Most of the algae are :

 
 
 
 

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

 
 
 
 

39. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

41. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Mostly type of zygospore in Ulothrix is:

 
 
 
 

45. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. One of the distinctive feature of Spirogyra is :

 
 
 
 

51. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

53. Isomorphic type alternation of generation is found in:

 
 
 
 

54. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

56. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

58. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Spirogyra represents the :

 
 
 
 

65. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

67. All algae have:

 
 
 
 

68. Heterotrichous habit means :

 
 
 
 

69. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Iodine is obtained from :

 
 
 
 

73. The largest alga is:

 
 
 
 

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

 
 
 
 

75. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Water bloom is generally caused by :

 
 
 
 

83. An alga which is rich in proteins:

 
 
 
 

84. Most common type of conjugation in Spirogyra is :

 
 
 
 

85. Iodine is obtained from:

 
 
 
 

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