Quiz_Algae

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

 
 
 
 

2. The chloroplast of Chlamydomonas are:

 
 
 
 

3. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

5. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. One of the distinctive feature of Spirogyra is :

 
 
 
 

12. Ectocarpus produces:

 
 
 
 

13. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

17. Which fixes atmospheric nitrogen?

 
 
 
 

18. Heterotrichous habit means :

 
 
 
 

19. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

21. Which of the following have a prokaryotic cell?

 
 
 
 

22. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

24. Synzoospore is produced in:

 
 
 
 

25. Among the algae kelps are :

 
 
 
 

26. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. What are Cyanobacteria?

 
 
 
 

30. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Meiosis in Ulothrix takes place:

 
 
 
 

34. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

35. Which one of the following statement is wrong?

 
 
 
 

36. Most common type of conjugation in Spirogyra is :

 
 
 
 

37. Iodine is obtained from :

 
 
 
 

38. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. The largest alga is:

 
 
 
 

42. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

44. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

55. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Isomorphic type alternation of generation is found in:

 
 
 
 

60. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Which group of algae have an incipient nucleus?

 
 
 
 

64. Choose the correct statement about Spirogyra:

 
 
 
 

65. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

67. Ulothrix produces :

 
 
 
 

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

 
 
 
 

69. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

75. Nannandria are:

 
 
 
 

76. Cap cells are found in the filament of:

 
 
 
 

77. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

83. The zoospores of Ulothrix are :

 
 
 
 

84. Most of the algae are :

 
 
 
 

85. Water-net is the name of:

 
 
 
 

86. The flagella of Chlamydomonas are: