Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Among the algae kelps are :

 
 
 
 

8. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

13. What are Cyanobacteria?

 
 
 
 

14. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. The alga, Spirogyra are found in :

 
 
 
 

18. Nannandria are:

 
 
 
 

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

 
 
 
 

20. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

22. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

24. The largest alga is:

 
 
 
 

25. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

30. All algae have:

 
 
 
 

31. Isomorphic type alternation of generation is found in:

 
 
 
 

32. Water-net is the name of:

 
 
 
 

33. Which of the following shows heterotrichous habit?

 
 
 
 

34. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

44. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

46. Which one of the following statement is wrong?

 
 
 
 

47. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Meiosis in Ulothrix takes place:

 
 
 
 

51. Mostly type of zygospore in Ulothrix is:

 
 
 
 

52. Which of the following is a parasitic algae?

 
 
 
 

53. Redness of red sea is due to :

 
 
 
 

54. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

56. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

58. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Heterotrichous habit means :

 
 
 
 

62. The zoospores of Ulothrix are :

 
 
 
 

63. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

65. Which group of algae have an incipient nucleus?

 
 
 
 

66. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. The chloroplast in Ulothrix is :

 
 
 
 

76. Most of the algae are :

 
 
 
 

77. The chloroplast of Chlamydomonas are:

 
 
 
 

78. Each chloroplast in Spirogyra bears :

 
 
 
 

79. The flagella of Chlamydomonas are:

 
 
 
 

80. Water bloom is generally caused by :

 
 
 
 

81. One of the distinctive feature of Spirogyra is :

 
 
 
 

82. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

84. Antibiotic has been extracted from :

 
 
 
 

85. Ulothrix produces :

 
 
 
 

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