Quiz_Algae

1. Ectocarpus produces:

 
 
 
 

2. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

4. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Ulothrix produces :

 
 
 
 

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

 
 
 
 

9. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

11. What are Cyanobacteria?

 
 
 
 

12. Which fixes atmospheric nitrogen?

 
 
 
 

13. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Water bloom is generally caused by :

 
 
 
 

17. An alga which is rich in proteins:

 
 
 
 

18. Antibiotic has been extracted from :

 
 
 
 

19. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Choose the correct statement about Spirogyra:

 
 
 
 

23. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

25. Which of the following have algal zone?

 
 
 
 

26. Each chloroplast in Spirogyra bears :

 
 
 
 

27. Isomorphic type alternation of generation is found in:

 
 
 
 

28. Asexual reproductive body of Volvox is called:

 
 
 
 

29. Meiosis in Ulothrix takes place:

 
 
 
 

30. Synzoospore is produced in:

 
 
 
 

31. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The flagella of Chlamydomonas are:

 
 
 
 

36. Which one of the following statement is wrong?

 
 
 
 

37. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

38. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

43. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

45. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Cap cells are found in the filament of:

 
 
 
 

50. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

52. The alga, Spirogyra are found in :

 
 
 
 

53. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

55. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Most of the algae are :

 
 
 
 

63. The chloroplast in Ulothrix is :

 
 
 
 

64. The largest alga is:

 
 
 
 

65. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

66. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

67. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. True sexuality is not found in:

 
 
 
 

72. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

74. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

80. Which group of algae have an incipient nucleus?

 
 
 
 

81. The word “sea weeds” is used for:

 
 
 
 

82. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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