Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Cap cells are found in the filament of:

 
 
 
 

7. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

8. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Which fixes atmospheric nitrogen?

 
 
 
 

12. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Most of the algae are :

 
 
 
 

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

 
 
 
 

21. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Heterotrichous habit means :

 
 
 
 

25. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

27. Antibiotic has been extracted from :

 
 
 
 

28. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

30. Isomorphic type alternation of generation is found in:

 
 
 
 

31. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

33. Which of the following shows heterotrichous habit?

 
 
 
 

34. Water bloom is generally caused by :

 
 
 
 

35. Asexual reproductive body of Volvox is called:

 
 
 
 

36. Which group of algae have an incipient nucleus?

 
 
 
 

37. The zoospores of Ulothrix are :

 
 
 
 

38. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

40. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

42. Ulothrix produces :

 
 
 
 

43. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

49. Synzoospore is produced in:

 
 
 
 

50. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. The alga, Spirogyra are found in :

 
 
 
 

54. The chloroplast of Chlamydomonas are:

 
 
 
 

55. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Mostly type of zygospore in Ulothrix is:

 
 
 
 

59. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which one of the following statement is wrong?

 
 
 
 

67. Nannandria are:

 
 
 
 

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

 
 
 
 

69. Which of the following is a parasitic algae?

 
 
 
 

70. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

72. Choose the correct statement about Spirogyra:

 
 
 
 

73. Most common type of conjugation in Spirogyra is :

 
 
 
 

74. The chloroplast in Ulothrix is :

 
 
 
 

75. Iodine is obtained from :

 
 
 
 

76. One of the distinctive feature of Spirogyra is :

 
 
 
 

77. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

83. Among the algae kelps are :

 
 
 
 

84. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

86. Ulothrix and Spirogyra reproduce vegetatively by :