Quiz_Algae

1. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

3. Ectocarpus produces:

 
 
 
 

4. Most of the algae are :

 
 
 
 

5. Water-net is the name of:

 
 
 
 

6. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

8. Synzoospore is produced in:

 
 
 
 

9. Which fixes atmospheric nitrogen?

 
 
 
 

10. Nannandria are:

 
 
 
 

11. Heterocysts are found in :

 
 
 
 

12. Mostly type of zygospore in Ulothrix is:

 
 
 
 

13. Iodine is obtained from:

 
 
 
 

14. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Among the algae kelps are :

 
 
 
 

24. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. One of the distinctive feature of Spirogyra is :

 
 
 
 

28. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Agar-agar is obtained from:

 
 
 
 

35. The alga, Spirogyra are found in :

 
 
 
 

36. The chloroplast of Chlamydomonas are:

 
 
 
 

37. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

39. Which of the following have a prokaryotic cell?

 
 
 
 

40. Ulothrix produces :

 
 
 
 

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

 
 
 
 

42. Which group of algae have an incipient nucleus?

 
 
 
 

43. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

45. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

47. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

53. Most common type of conjugation in Spirogyra is :

 
 
 
 

54. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

55. The flagella of Chlamydomonas are:

 
 
 
 

56. The chloroplast in Ulothrix is :

 
 
 
 

57. Water bloom is generally caused by :

 
 
 
 

58. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

64. Heterotrichous habit means :

 
 
 
 

65. Choose the correct statement about Spirogyra:

 
 
 
 

66. Cap cells are found in the filament of:

 
 
 
 

67. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

75. All algae have:

 
 
 
 

76. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

78. An alga which is rich in proteins:

 
 
 
 

79. The largest alga is:

 
 
 
 

80. Spirogyra represents the :

 
 
 
 

81. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. What are Cyanobacteria?