Quiz_Algae

1. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

2. An alga which is rich in proteins:

 
 
 
 

3. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

5. Each chloroplast in Spirogyra bears :

 
 
 
 

6. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Ectocarpus produces:

 
 
 
 

10. One of the distinctive feature of Spirogyra is :

 
 
 
 

11. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

13. All algae have:

 
 
 
 

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

 
 
 
 

15. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

17. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

23. The chloroplast of Chlamydomonas are:

 
 
 
 

24. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

26. Iodine is obtained from:

 
 
 
 

27. Cap cells are found in the filament of:

 
 
 
 

28. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The largest alga is:

 
 
 
 

36. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Water-net is the name of:

 
 
 
 

46. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

48. Which of the following is a parasitic algae?

 
 
 
 

49. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Which one of the following statement is wrong?

 
 
 
 

53. Mostly type of zygospore in Ulothrix is:

 
 
 
 

54. Agar-agar is obtained from:

 
 
 
 

55. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Choose the correct statement about Spirogyra:

 
 
 
 

64. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

66. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Meiosis in Ulothrix takes place:

 
 
 
 

70. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

72. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

74. Nannandria are:

 
 
 
 

75. What are Cyanobacteria?

 
 
 
 

76. Most common type of conjugation in Spirogyra is :

 
 
 
 

77. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

79. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

81. Which of the following shows heterotrichous habit?

 
 
 
 

82. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

84. Most of the algae are :

 
 
 
 

85. The chloroplast in Ulothrix is :

 
 
 
 

86. Spirogyra represents the :