Quiz_Algae

1. An alga which is rich in proteins:

 
 
 
 

2. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

4. Which of the following have a prokaryotic cell?

 
 
 
 

5. Ulothrix produces :

 
 
 
 

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

 
 
 
 

7. Meiosis in Ulothrix takes place:

 
 
 
 

8. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. All algae have:

 
 
 
 

16. Most common type of conjugation in Spirogyra is :

 
 
 
 

17. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

19. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

20. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

22. Most of the algae are :

 
 
 
 

23. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

25. Which one of the following statement is wrong?

 
 
 
 

26. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Heterotrichous habit means :

 
 
 
 

32. The largest alga is:

 
 
 
 

33. Antibiotic has been extracted from :

 
 
 
 

34. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

36. Mostly type of zygospore in Ulothrix is:

 
 
 
 

37. Nannandria are:

 
 
 
 

38. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

40. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

42. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

49. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

51. Each chloroplast in Spirogyra bears :

 
 
 
 

52. Heterocysts are found in :

 
 
 
 

53. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

55. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

56. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

58. The flagella of Chlamydomonas are:

 
 
 
 

59. Agar-agar is obtained from:

 
 
 
 

60. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

64. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

66. The chloroplast in Ulothrix is :

 
 
 
 

67. Isomorphic type alternation of generation is found in:

 
 
 
 

68. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

70. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Water-net is the name of:

 
 
 
 

77. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

79. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

85. Which of the following have algal zone?

 
 
 
 

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