Quiz_Algae

1. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

3. The alga, Spirogyra are found in :

 
 
 
 

4. Ulothrix produces :

 
 
 
 

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

 
 
 
 

6. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

8. Most of the algae are :

 
 
 
 

9. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Which of the following is a parasitic algae?

 
 
 
 

13. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

15. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

17. The zoospores of Ulothrix are :

 
 
 
 

18. The word “sea weeds” is used for:

 
 
 
 

19. Iodine is obtained from:

 
 
 
 

20. Heterocysts are found in :

 
 
 
 

21. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. An alga which is rich in proteins:

 
 
 
 

30. The flagella of Chlamydomonas are:

 
 
 
 

31. Which group of algae have an incipient nucleus?

 
 
 
 

32. True sexuality is not found in:

 
 
 
 

33. Which fixes atmospheric nitrogen?

 
 
 
 

34. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

36. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

38. Nannandria are:

 
 
 
 

39. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Spirogyra represents the :

 
 
 
 

43. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

45. Among the algae kelps are :

 
 
 
 

46. Ectocarpus produces:

 
 
 
 

47. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

49. Iodine is obtained from :

 
 
 
 

50. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Mostly type of zygospore in Ulothrix is:

 
 
 
 

54. Which of the following shows heterotrichous habit?

 
 
 
 

55. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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 have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

72. Which of the following have algal zone?

 
 
 
 

73. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

79. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. The chloroplast of Chlamydomonas are:

 
 
 
 

83. All algae have:

 
 
 
 

84. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

86. Agar-agar is obtained from: