Quiz_Algae

1. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

3. Water-net is the name of:

 
 
 
 

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

 
 
 
 

5. Ectocarpus produces:

 
 
 
 

6. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Mostly type of zygospore in Ulothrix is:

 
 
 
 

10. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

15. The alga, Spirogyra are found in :

 
 
 
 

16. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Iodine is obtained from :

 
 
 
 

21. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

22. Antibiotic has been extracted from :

 
 
 
 

23. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

24. Iodine is obtained from:

 
 
 
 

25. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

27. An alga which is rich in proteins:

 
 
 
 

28. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. One of the distinctive feature of Spirogyra is :

 
 
 
 

33. The flagella of Chlamydomonas are:

 
 
 
 

34. Nannandria are:

 
 
 
 

35. Which one of the following statement is wrong?

 
 
 
 

36. Which group of algae have an incipient nucleus?

 
 
 
 

37. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

45. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. The word “sea weeds” is used for:

 
 
 
 

53. The chloroplast of Chlamydomonas are:

 
 
 
 

54. Which of the following have algal zone?

 
 
 
 

55. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. The largest alga is:

 
 
 
 

60. Among the algae kelps are :

 
 
 
 

61. Which fixes atmospheric nitrogen?

 
 
 
 

62. Agar-agar is obtained from:

 
 
 
 

63. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

64. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. True sexuality is not found in:

 
 
 
 

71. Which of the following have a prokaryotic cell?

 
 
 
 

72. Each chloroplast in Spirogyra bears :

 
 
 
 

73. Heterotrichous habit means :

 
 
 
 

74. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. What are Cyanobacteria?

 
 
 
 

78. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

80. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

82. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

84. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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