Quiz_Algae

1. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

3. Cap cells are found in the filament of:

 
 
 
 

4. Which one of the following statement is wrong?

 
 
 
 

5. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

10. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Synzoospore is produced in:

 
 
 
 

18. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

20. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. The alga, Spirogyra are found in :

 
 
 
 

24. Most common type of conjugation in Spirogyra is :

 
 
 
 

25. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

27. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

29. Heterocysts are found in :

 
 
 
 

30. Isomorphic type alternation of generation is found in:

 
 
 
 

31. One of the distinctive feature of Spirogyra is :

 
 
 
 

32. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. What are Cyanobacteria?

 
 
 
 

40. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

42. Iodine is obtained from :

 
 
 
 

43. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Mostly type of zygospore in Ulothrix is:

 
 
 
 

48. Water-net is the name of:

 
 
 
 

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

 
 
 
 

50. All algae have:

 
 
 
 

51. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

53. Which of the following is a parasitic algae?

 
 
 
 

54. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

59. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Among the algae kelps are :

 
 
 
 

64. Ectocarpus produces:

 
 
 
 

65. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

66. The zoospores of Ulothrix are :

 
 
 
 

67. Nannandria are:

 
 
 
 

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

 
 
 
 

69. Which of the following have a prokaryotic cell?

 
 
 
 

70. The chloroplast of Chlamydomonas are:

 
 
 
 

71. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. An alga which is rich in proteins:

 
 
 
 

75. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Antibiotic has been extracted from :

 
 
 
 

79. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

81. Which fixes atmospheric nitrogen?

 
 
 
 

82. Asexual reproductive body of Volvox is called:

 
 
 
 

83. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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