Quiz_Algae

1. Water-net is the name of:

 
 
 
 

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

 
 
 
 

3. The largest alga is:

 
 
 
 

4. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

14. Heterotrichous habit means :

 
 
 
 

15. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

17. Each chloroplast in Spirogyra bears :

 
 
 
 

18. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

23. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

25. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

27. Which fixes atmospheric nitrogen?

 
 
 
 

28. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

30. Which one of the following statement is wrong?

 
 
 
 

31. Which group of algae have an incipient nucleus?

 
 
 
 

32. Most of the algae are :

 
 
 
 

33. Cap cells are found in the filament of:

 
 
 
 

34. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Spirogyra represents the :

 
 
 
 

39. Agar-agar is obtained from:

 
 
 
 

40. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

41. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

43. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

45. Ulothrix produces :

 
 
 
 

46. The chloroplast of Chlamydomonas are:

 
 
 
 

47. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

49. Heterocysts are found in :

 
 
 
 

50. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

52. Mostly type of zygospore in Ulothrix is:

 
 
 
 

53. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. All algae have:

 
 
 
 

59. Meiosis in Ulothrix takes place:

 
 
 
 

60. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Ectocarpus produces:

 
 
 
 

67. Iodine is obtained from :

 
 
 
 

68. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. The word “sea weeds” is used for:

 
 
 
 

76. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

78. Which of the following have algal zone?

 
 
 
 

79. Nannandria are:

 
 
 
 

80. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

85. Which of the following have a prokaryotic cell?

 
 
 
 

86. Antibiotic has been extracted from :