Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Water bloom is generally caused by :

 
 
 
 

4. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

6. All algae have:

 
 
 
 

7. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Which fixes atmospheric nitrogen?

 
 
 
 

13. The flagella of Chlamydomonas are:

 
 
 
 

14. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Ectocarpus produces:

 
 
 
 

18. Which group of algae have an incipient nucleus?

 
 
 
 

19. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

21. Each chloroplast in Spirogyra bears :

 
 
 
 

22. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

24. The largest alga is:

 
 
 
 

25. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

27. Asexual reproductive body of Volvox is called:

 
 
 
 

28. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

33. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

35. The chloroplast in Ulothrix is :

 
 
 
 

36. Which of the following shows heterotrichous habit?

 
 
 
 

37. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

39. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Mostly type of zygospore in Ulothrix is:

 
 
 
 

44. True sexuality is not found in:

 
 
 
 

45. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

46. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Isomorphic type alternation of generation is found in:

 
 
 
 

56. Nannandria are:

 
 
 
 

57. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

62. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

64. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

69. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

70. Meiosis in Ulothrix takes place:

 
 
 
 

71. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

73. Most common type of conjugation in Spirogyra is :

 
 
 
 

74. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

78. Which of the following is a parasitic algae?

 
 
 
 

79. Ulothrix produces :

 
 
 
 

80. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

82. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

84. Water-net is the name of:

 
 
 
 

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

 
 
 
 

86. The chloroplast of Chlamydomonas are: