Quiz_Algae

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

 
 
 
 

2. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

7. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Spirogyra represents the :

 
 
 
 

11. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Which of the following is a parasitic algae?

 
 
 
 

23. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

25. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

27. What are Cyanobacteria?

 
 
 
 

28. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

30. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

38. Which fixes atmospheric nitrogen?

 
 
 
 

39. Most common type of conjugation in Spirogyra is :

 
 
 
 

40. Ulothrix produces :

 
 
 
 

41. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

43. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Redness of red sea is due to :

 
 
 
 

47. The word “sea weeds” is used for:

 
 
 
 

48. Synzoospore is produced in:

 
 
 
 

49. Which of the following shows heterotrichous habit?

 
 
 
 

50. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

52. Which group of algae have an incipient nucleus?

 
 
 
 

53. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

54. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

56. Each chloroplast in Spirogyra bears :

 
 
 
 

57. Meiosis in Ulothrix takes place:

 
 
 
 

58. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

60. Mostly type of zygospore in Ulothrix is:

 
 
 
 

61. Nannandria are:

 
 
 
 

62. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Which of the following have a prokaryotic cell?

 
 
 
 

66. Cap cells are found in the filament of:

 
 
 
 

67. Antibiotic has been extracted from :

 
 
 
 

68. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. True sexuality is not found in:

 
 
 
 

72. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

77. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Agar-agar is obtained from:

 
 
 
 

83. Water bloom is generally caused by :

 
 
 
 

84. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

86. The chloroplast in Ulothrix is :