Quiz_Algae

1. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

2. Iodine is obtained from :

 
 
 
 

3. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. The zoospores of Ulothrix are :

 
 
 
 

8. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

20. Asexual reproductive body of Volvox is called:

 
 
 
 

21. The word “sea weeds” is used for:

 
 
 
 

22. Choose the correct statement about Spirogyra:

 
 
 
 

23. Most of the algae are :

 
 
 
 

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

 
 
 
 

25. Water-net is the name of:

 
 
 
 

26. The chloroplast of Chlamydomonas are:

 
 
 
 

27. Water bloom is generally caused by :

 
 
 
 

28. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

30. What are Cyanobacteria?

 
 
 
 

31. Nannandria are:

 
 
 
 

32. Ulothrix produces :

 
 
 
 

33. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Antibiotic has been extracted from :

 
 
 
 

37. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

38. Mostly type of zygospore in Ulothrix is:

 
 
 
 

39. The chloroplast in Ulothrix is :

 
 
 
 

40. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

42. Which of the following shows heterotrichous habit?

 
 
 
 

43. Most common type of conjugation in Spirogyra is :

 
 
 
 

44. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Ectocarpus produces:

 
 
 
 

48. Spirogyra represents the :

 
 
 
 

49. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. The alga, Spirogyra are found in :

 
 
 
 

54. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

56. Iodine is obtained from:

 
 
 
 

57. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Which group of algae have an incipient nucleus?

 
 
 
 

61. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

63. Each chloroplast in Spirogyra bears :

 
 
 
 

64. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

70. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

72. Cap cells are found in the filament of:

 
 
 
 

73. All algae have:

 
 
 
 

74. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

76. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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