Quiz_Algae

1. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

9. Most of the algae are :

 
 
 
 

10. Heterotrichous habit means :

 
 
 
 

11. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

13. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. The alga, Spirogyra are found in :

 
 
 
 

18. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

20. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

22. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which of the following is a parasitic algae?

 
 
 
 

31. The flagella of Chlamydomonas are:

 
 
 
 

32. Cap cells are found in the filament of:

 
 
 
 

33. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

35. Mostly type of zygospore in Ulothrix is:

 
 
 
 

36. Most common type of conjugation in Spirogyra is :

 
 
 
 

37. Redness of red sea is due to :

 
 
 
 

38. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

40. Which of the following have a prokaryotic cell?

 
 
 
 

41. All algae have:

 
 
 
 

42. Which fixes atmospheric nitrogen?

 
 
 
 

43. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

59. One of the distinctive feature of Spirogyra is :

 
 
 
 

60. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

62. The largest alga is:

 
 
 
 

63. An alga which is rich in proteins:

 
 
 
 

64. Iodine is obtained from:

 
 
 
 

65. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

69. Ectocarpus produces:

 
 
 
 

70. The zoospores of Ulothrix are :

 
 
 
 

71. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

73. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

74. Each chloroplast in Spirogyra bears :

 
 
 
 

75. Which one of the following statement is wrong?

 
 
 
 

76. The chloroplast of Chlamydomonas are:

 
 
 
 

77. Agar-agar is obtained from:

 
 
 
 

78. Choose the correct statement about Spirogyra:

 
 
 
 

79. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

84. Water-net is the name of:

 
 
 
 

85. Meiosis in Ulothrix takes place:

 
 
 
 

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