Quiz_Algae

1. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

6. The flagella of Chlamydomonas are:

 
 
 
 

7. Heterocysts are found in :

 
 
 
 

8. Agar-agar is obtained from:

 
 
 
 

9. Each chloroplast in Spirogyra bears :

 
 
 
 

10. Which fixes atmospheric nitrogen?

 
 
 
 

11. Ulothrix produces :

 
 
 
 

12. Which of the following have a prokaryotic cell?

 
 
 
 

13. Nannandria are:

 
 
 
 

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

 
 
 
 

15. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Which of the following is a parasitic algae?

 
 
 
 

19. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Most of the algae are :

 
 
 
 

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

 
 
 
 

24. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

26. Mostly type of zygospore in Ulothrix is:

 
 
 
 

27. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

29. All algae have:

 
 
 
 

30. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

32. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. True sexuality is not found in:

 
 
 
 

38. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

40. Which of the following have algal zone?

 
 
 
 

41. Among the algae kelps are :

 
 
 
 

42. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

44. Iodine is obtained from:

 
 
 
 

45. Ectocarpus produces:

 
 
 
 

46. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

50. Redness of red sea is due to :

 
 
 
 

51. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

56. The zoospores of Ulothrix are :

 
 
 
 

57. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Isomorphic type alternation of generation is found in:

 
 
 
 

62. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. The largest alga is:

 
 
 
 

70. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

72. Asexual reproductive body of Volvox is called:

 
 
 
 

73. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

75. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Most common type of conjugation in Spirogyra is :

 
 
 
 

81. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

83. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. The alga, Spirogyra are found in :