Quiz_Algae

1. Which of the following is a parasitic algae?

 
 
 
 

2. Which one of the following statement is wrong?

 
 
 
 

3. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Choose the correct statement about Spirogyra:

 
 
 
 

13. Mostly type of zygospore in Ulothrix is:

 
 
 
 

14. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

16. Antibiotic has been extracted from :

 
 
 
 

17. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

24. Water bloom is generally caused by :

 
 
 
 

25. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Spirogyra represents the :

 
 
 
 

30. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

32. Which of the following have algal zone?

 
 
 
 

33. Each chloroplast in Spirogyra bears :

 
 
 
 

34. Most of the algae are :

 
 
 
 

35. The alga, Spirogyra are found in :

 
 
 
 

36. Iodine is obtained from :

 
 
 
 

37. Most common type of conjugation in Spirogyra is :

 
 
 
 

38. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

40. Water-net is the name of:

 
 
 
 

41. Ulothrix produces :

 
 
 
 

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

 
 
 
 

43. Heterotrichous habit means :

 
 
 
 

44. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. One of the distinctive feature of Spirogyra is :

 
 
 
 

53. Which group of algae have an incipient nucleus?

 
 
 
 

54. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which of the following have a prokaryotic cell?

 
 
 
 

65. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Redness of red sea is due to :

 
 
 
 

69. True sexuality is not found in:

 
 
 
 

70. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

71. Asexual reproductive body of Volvox is called:

 
 
 
 

72. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

74. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

76. The largest alga is:

 
 
 
 

77. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Cap cells are found in the filament of:

 
 
 
 

81. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

83. An alga which is rich in proteins:

 
 
 
 

84. Nannandria are:

 
 
 
 

85. Ectocarpus produces:

 
 
 
 

86. All algae have: