Quiz_Algae

1. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Ectocarpus produces:

 
 
 
 

6. Agar-agar is obtained from:

 
 
 
 

7. Among the algae kelps are :

 
 
 
 

8. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

13. Choose the correct statement about Spirogyra:

 
 
 
 

14. Isomorphic type alternation of generation is found in:

 
 
 
 

15. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

17. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

23. Which of the following is a parasitic algae?

 
 
 
 

24. The zoospores of Ulothrix are :

 
 
 
 

25. Most of the algae are :

 
 
 
 

26. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Spirogyra represents the :

 
 
 
 

35. The word “sea weeds” is used for:

 
 
 
 

36. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Synzoospore is produced in:

 
 
 
 

40. The flagella of Chlamydomonas are:

 
 
 
 

41. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Heterotrichous habit means :

 
 
 
 

48. Ulothrix produces :

 
 
 
 

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

 
 
 
 

50. True sexuality is not found in:

 
 
 
 

51. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Antibiotic has been extracted from :

 
 
 
 

55. Meiosis in Ulothrix takes place:

 
 
 
 

56. Water-net is the name of:

 
 
 
 

57. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. What are Cyanobacteria?

 
 
 
 

61. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

62. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

64. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Which of the following shows heterotrichous habit?

 
 
 
 

70. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

72. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

74. The chloroplast in Ulothrix is :

 
 
 
 

75. Nannandria are:

 
 
 
 

76. Mostly type of zygospore in Ulothrix is:

 
 
 
 

77. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

78. Which of the following have algal zone?

 
 
 
 

79. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

85. The chloroplast of Chlamydomonas are:

 
 
 
 

86. Asexual reproductive body of Volvox is called: