Quiz_Algae

1. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

3. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

5. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

7. The zoospores of Ulothrix are :

 
 
 
 

8. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

10. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

12. Which fixes atmospheric nitrogen?

 
 
 
 

13. Which of the following have algal zone?

 
 
 
 

14. The largest alga is:

 
 
 
 

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

 
 
 
 

16. Asexual reproductive body of Volvox is called:

 
 
 
 

17. Ulothrix produces :

 
 
 
 

18. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

26. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

28. Water bloom is generally caused by :

 
 
 
 

29. All algae have:

 
 
 
 

30. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

31. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

33. Ectocarpus produces:

 
 
 
 

34. Which of the following have a prokaryotic cell?

 
 
 
 

35. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

37. Water-net is the name of:

 
 
 
 

38. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Spirogyra represents the :

 
 
 
 

60. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

62. Redness of red sea is due to :

 
 
 
 

63. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Most of the algae are :

 
 
 
 

68. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

70. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

71. Which group of algae have an incipient nucleus?

 
 
 
 

72. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

74. Heterotrichous habit means :

 
 
 
 

75. The word “sea weeds” is used for:

 
 
 
 

76. Cap cells are found in the filament of:

 
 
 
 

77. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Meiosis in Ulothrix takes place:

 
 
 
 

81. The alga, Spirogyra are found in :

 
 
 
 

82. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

84. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

86. The flagella of Chlamydomonas are: