Quiz_Algae

1. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

7. Which of the following have algal zone?

 
 
 
 

8. Cap cells are found in the filament of:

 
 
 
 

9. Water-net is the name of:

 
 
 
 

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

 
 
 
 

11. The chloroplast in Ulothrix is :

 
 
 
 

12. What are Cyanobacteria?

 
 
 
 

13. Isomorphic type alternation of generation is found in:

 
 
 
 

14. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Which group of algae have an incipient nucleus?

 
 
 
 

22. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

24. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

26. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Antibiotic has been extracted from :

 
 
 
 

30. One of the distinctive feature of Spirogyra is :

 
 
 
 

31. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

33. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

34. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

39. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. The largest alga is:

 
 
 
 

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

 
 
 
 

45. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Iodine is obtained from :

 
 
 
 

49. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

51. An alga which is rich in proteins:

 
 
 
 

52. Which fixes atmospheric nitrogen?

 
 
 
 

53. Meiosis in Ulothrix takes place:

 
 
 
 

54. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Each chloroplast in Spirogyra bears :

 
 
 
 

59. Nannandria are:

 
 
 
 

60. True sexuality is not found in:

 
 
 
 

61. Most of the algae are :

 
 
 
 

62. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

64. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

66. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

67. Water bloom is generally caused by :

 
 
 
 

68. The chloroplast of Chlamydomonas are:

 
 
 
 

69. Heterotrichous habit means :

 
 
 
 

70. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Synzoospore is produced in:

 
 
 
 

74. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

78. Iodine is obtained from:

 
 
 
 

79. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

81. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Spirogyra represents the :