Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Iodine is obtained from:

 
 
 
 

10. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

12. The word “sea weeds” is used for:

 
 
 
 

13. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

15. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

17. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

22. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

30. Choose the correct statement about Spirogyra:

 
 
 
 

31. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

33. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

35. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Which of the following have a prokaryotic cell?

 
 
 
 

40. The largest alga is:

 
 
 
 

41. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

48. Asexual reproductive body of Volvox is called:

 
 
 
 

49. Water bloom is generally caused by :

 
 
 
 

50. The chloroplast in Ulothrix is :

 
 
 
 

51. Cap cells are found in the filament of:

 
 
 
 

52. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

54. An alga which is rich in proteins:

 
 
 
 

55. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Ectocarpus produces:

 
 
 
 

59. Mostly type of zygospore in Ulothrix is:

 
 
 
 

60. Most of the algae are :

 
 
 
 

61. Which fixes atmospheric nitrogen?

 
 
 
 

62. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

64. Which one of the following statement is wrong?

 
 
 
 

65. True sexuality is not found in:

 
 
 
 

66. Water-net is the name of:

 
 
 
 

67. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

69. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

71. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

73. Which of the following is a parasitic algae?

 
 
 
 

74. The zoospores of Ulothrix are :

 
 
 
 

75. Among the algae kelps are :

 
 
 
 

76. All algae have:

 
 
 
 

77. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

78. Meiosis in Ulothrix takes place:

 
 
 
 

79. Ulothrix produces :

 
 
 
 

80. Agar-agar is obtained from:

 
 
 
 

81. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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