Quiz_Algae

1. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Cap cells are found in the filament of:

 
 
 
 

9. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

11. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Choose the correct statement about Spirogyra:

 
 
 
 

15. The chloroplast in Ulothrix is :

 
 
 
 

16. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. What are Cyanobacteria?

 
 
 
 

23. Meiosis in Ulothrix takes place:

 
 
 
 

24. Nannandria are:

 
 
 
 

25. Which of the following shows heterotrichous habit?

 
 
 
 

26. Heterotrichous habit means :

 
 
 
 

27. The largest alga is:

 
 
 
 

28. One of the distinctive feature of Spirogyra is :

 
 
 
 

29. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

31. Which of the following is a parasitic algae?

 
 
 
 

32. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

34. The alga, Spirogyra are found in :

 
 
 
 

35. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

37. Which of the following have algal zone?

 
 
 
 

38. The flagella of Chlamydomonas are:

 
 
 
 

39. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Most of the algae are :

 
 
 
 

48. Asexual reproductive body of Volvox is called:

 
 
 
 

49. Which fixes atmospheric nitrogen?

 
 
 
 

50. An alga which is rich in proteins:

 
 
 
 

51. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

53. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Heterocysts are found in :

 
 
 
 

58. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

60. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

62. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

64. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

66. The zoospores of Ulothrix are :

 
 
 
 

67. Synzoospore is produced in:

 
 
 
 

68. Isomorphic type alternation of generation is found in:

 
 
 
 

69. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Ulothrix produces :

 
 
 
 

73. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

74. All algae have:

 
 
 
 

75. The chloroplast of Chlamydomonas are:

 
 
 
 

76. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

83. Which group of algae have an incipient nucleus?

 
 
 
 

84. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

86. The word “sea weeds” is used for: