Quiz_Algae

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

 
 
 
 

2. Which of the following have algal zone?

 
 
 
 

3. Nannandria are:

 
 
 
 

4. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

11. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Redness of red sea is due to :

 
 
 
 

15. Which of the following is a parasitic algae?

 
 
 
 

16. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. The largest alga is:

 
 
 
 

21. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

23. Which of the following shows heterotrichous habit?

 
 
 
 

24. One of the distinctive feature of Spirogyra is :

 
 
 
 

25. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Ulothrix produces :

 
 
 
 

30. Which fixes atmospheric nitrogen?

 
 
 
 

31. Meiosis in Ulothrix takes place:

 
 
 
 

32. Most of the algae are :

 
 
 
 

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

 
 
 
 

34. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

36. What are Cyanobacteria?

 
 
 
 

37. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

39. Which of the following have a prokaryotic cell?

 
 
 
 

40. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Each chloroplast in Spirogyra bears :

 
 
 
 

44. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

49. Which one of the following statement is wrong?

 
 
 
 

50. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. The zoospores of Ulothrix are :

 
 
 
 

57. Iodine is obtained from :

 
 
 
 

58. An alga which is rich in proteins:

 
 
 
 

59. Cap cells are found in the filament of:

 
 
 
 

60. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Among the algae kelps are :

 
 
 
 

64. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Heterocysts are found in :

 
 
 
 

69. Water-net is the name of:

 
 
 
 

70. Spirogyra represents the :

 
 
 
 

71. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

72. Iodine is obtained from:

 
 
 
 

73. Heterotrichous habit means :

 
 
 
 

74. Agar-agar is obtained from:

 
 
 
 

75. All algae have:

 
 
 
 

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

 
 
 
 

77. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. The word “sea weeds” is used for:

 
 
 
 

86. Mostly type of zygospore in Ulothrix is: