Quiz_Algae

1. All algae have:

 
 
 
 

2. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. An alga which is rich in proteins:

 
 
 
 

16. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

18. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

20. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

22. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which fixes atmospheric nitrogen?

 
 
 
 

31. The alga, Spirogyra are found in :

 
 
 
 

32. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

37. Iodine is obtained from :

 
 
 
 

38. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

47. Among the algae kelps are :

 
 
 
 

48. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

50. Water-net is the name of:

 
 
 
 

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

 
 
 
 

52. The word “sea weeds” is used for:

 
 
 
 

53. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

55. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

57. Most of the algae are :

 
 
 
 

58. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

60. Redness of red sea is due to :

 
 
 
 

61. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

63. Ulothrix produces :

 
 
 
 

64. Which of the following is a parasitic algae?

 
 
 
 

65. What are Cyanobacteria?

 
 
 
 

66. Antibiotic has been extracted from :

 
 
 
 

67. Spirogyra represents the :

 
 
 
 

68. Heterotrichous habit means :

 
 
 
 

69. Cap cells are found in the filament of:

 
 
 
 

70. The flagella of Chlamydomonas are:

 
 
 
 

71. Which of the following shows heterotrichous habit?

 
 
 
 

72. Heterocysts are found in :

 
 
 
 

73. Which group of algae have an incipient nucleus?

 
 
 
 

74. Synzoospore is produced in:

 
 
 
 

75. Which one of the following statement is wrong?

 
 
 
 

76. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

81. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

82. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Nannandria are:

 
 
 
 

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