Quiz_Algae

1. Water-net is the name of:

 
 
 
 

2. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

4. The largest alga is:

 
 
 
 

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

 
 
 
 

6. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

19. Which of the following is a parasitic algae?

 
 
 
 

20. One of the distinctive feature of Spirogyra is :

 
 
 
 

21. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Redness of red sea is due to :

 
 
 
 

33. Spirogyra represents the :

 
 
 
 

34. Agar-agar is obtained from:

 
 
 
 

35. Ectocarpus produces:

 
 
 
 

36. Most common type of conjugation in Spirogyra is :

 
 
 
 

37. What are Cyanobacteria?

 
 
 
 

38. The word “sea weeds” is used for:

 
 
 
 

39. All algae have:

 
 
 
 

40. Ulothrix produces :

 
 
 
 

41. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

43. Synzoospore is produced in:

 
 
 
 

44. The alga, Spirogyra are found in :

 
 
 
 

45. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Among the algae kelps are :

 
 
 
 

50. Which of the following shows heterotrichous habit?

 
 
 
 

51. Heterotrichous habit means :

 
 
 
 

52. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

54. Nannandria are:

 
 
 
 

55. Which of the following have algal zone?

 
 
 
 

56. Most of the algae are :

 
 
 
 

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

 
 
 
 

58. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

60. Asexual reproductive body of Volvox is called:

 
 
 
 

61. Cap cells are found in the filament of:

 
 
 
 

62. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Heterocysts are found in :

 
 
 
 

66. Meiosis in Ulothrix takes place:

 
 
 
 

67. Water bloom is generally caused by :

 
 
 
 

68. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

69. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

71. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

73. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

75. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

80. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

82. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

84. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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