Quiz_Algae

1. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

3. Nannandria are:

 
 
 
 

4. Isomorphic type alternation of generation is found in:

 
 
 
 

5. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

7. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

9. Mostly type of zygospore in Ulothrix is:

 
 
 
 

10. Water-net is the name of:

 
 
 
 

11. Which of the following is a parasitic algae?

 
 
 
 

12. An alga which is rich in proteins:

 
 
 
 

13. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Ectocarpus produces:

 
 
 
 

18. The alga, Spirogyra are found in :

 
 
 
 

19. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

21. The largest alga is:

 
 
 
 

22. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Which fixes atmospheric nitrogen?

 
 
 
 

26. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

28. True sexuality is not found in:

 
 
 
 

29. Iodine is obtained from:

 
 
 
 

30. Choose the correct statement about Spirogyra:

 
 
 
 

31. Which of the following have algal zone?

 
 
 
 

32. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

34. The chloroplast in Ulothrix is :

 
 
 
 

35. What are Cyanobacteria?

 
 
 
 

36. Among the algae kelps are :

 
 
 
 

37. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

39. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

40. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

42. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Ulothrix produces :

 
 
 
 

50. Antibiotic has been extracted from :

 
 
 
 

51. Synzoospore is produced in:

 
 
 
 

52. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. All algae have:

 
 
 
 

57. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

66. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

68. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Heterotrichous habit means :

 
 
 
 

82. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

84. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

86. The flagella of Chlamydomonas are: