Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Which group of algae have an incipient nucleus?

 
 
 
 

7. Ectocarpus produces:

 
 
 
 

8. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

13. Which of the following have algal zone?

 
 
 
 

14. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. An alga which is rich in proteins:

 
 
 
 

18. Asexual reproductive body of Volvox is called:

 
 
 
 

19. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Meiosis in Ulothrix takes place:

 
 
 
 

25. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

27. Synzoospore is produced in:

 
 
 
 

28. The chloroplast of Chlamydomonas are:

 
 
 
 

29. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. What are Cyanobacteria?

 
 
 
 

36. Which of the following is a parasitic algae?

 
 
 
 

37. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

39. Which of the following have a prokaryotic cell?

 
 
 
 

40. The flagella of Chlamydomonas are:

 
 
 
 

41. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

43. Water-net is the name of:

 
 
 
 

44. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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. Redness of red sea is due to :

 
 
 
 

53. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

55. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

57. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

64. Heterotrichous habit means :

 
 
 
 

65. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

67. Nannandria are:

 
 
 
 

68. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. One of the distinctive feature of Spirogyra is :

 
 
 
 

72. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

73. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

75. The largest alga is:

 
 
 
 

76. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

78. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Antibiotic has been extracted from :

 
 
 
 

82. True sexuality is not found in:

 
 
 
 

83. The word “sea weeds” is used for:

 
 
 
 

84. Choose the correct statement about Spirogyra:

 
 
 
 

85. Which of the following shows heterotrichous habit?

 
 
 
 

86. Most of the algae are :