Quiz_Algae

1. The largest alga is:

 
 
 
 

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

 
 
 
 

3. Each chloroplast in Spirogyra bears :

 
 
 
 

4. Mostly type of zygospore in Ulothrix is:

 
 
 
 

5. The flagella of Chlamydomonas are:

 
 
 
 

6. Iodine is obtained from :

 
 
 
 

7. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Heterocysts are found in :

 
 
 
 

11. An alga which is rich in proteins:

 
 
 
 

12. Redness of red sea is due to :

 
 
 
 

13. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Nannandria are:

 
 
 
 

23. One of the distinctive feature of Spirogyra is :

 
 
 
 

24. What are Cyanobacteria?

 
 
 
 

25. Ectocarpus produces:

 
 
 
 

26. Which of the following shows heterotrichous habit?

 
 
 
 

27. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Iodine is obtained from:

 
 
 
 

35. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Spirogyra represents the :

 
 
 
 

43. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Which fixes atmospheric nitrogen?

 
 
 
 

54. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

56. Agar-agar is obtained from:

 
 
 
 

57. Synzoospore is produced in:

 
 
 
 

58. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Which of the following have algal zone?

 
 
 
 

62. The chloroplast in Ulothrix is :

 
 
 
 

63. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Isomorphic type alternation of generation is found in:

 
 
 
 

68. Ulothrix produces :

 
 
 
 

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

 
 
 
 

70. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

74. Antibiotic has been extracted from :

 
 
 
 

75. Water-net is the name of:

 
 
 
 

76. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

77. True sexuality is not found in:

 
 
 
 

78. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

80. Most common type of conjugation in Spirogyra is :

 
 
 
 

81. Asexual reproductive body of Volvox is called:

 
 
 
 

82. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Which of the following have a prokaryotic cell?

 
 
 
 

86. The chloroplast of Chlamydomonas are: