Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

5. Nannandria are:

 
 
 
 

6. Redness of red sea is due to :

 
 
 
 

7. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Which fixes atmospheric nitrogen?

 
 
 
 

18. Antibiotic has been extracted from :

 
 
 
 

19. Asexual reproductive body of Volvox is called:

 
 
 
 

20. An alga which is rich in proteins:

 
 
 
 

21. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

23. Which of the following shows heterotrichous habit?

 
 
 
 

24. Agar-agar is obtained from:

 
 
 
 

25. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Spirogyra represents the :

 
 
 
 

29. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

34. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

36. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

44. The largest alga is:

 
 
 
 

45. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Each chloroplast in Spirogyra bears :

 
 
 
 

49. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Among the algae kelps are :

 
 
 
 

53. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

55. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

57. Ulothrix produces :

 
 
 
 

58. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

60. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

61. Meiosis in Ulothrix takes place:

 
 
 
 

62. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

64. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

66. All algae have:

 
 
 
 

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

 
 
 
 

68. The flagella of Chlamydomonas are:

 
 
 
 

69. The word “sea weeds” is used for:

 
 
 
 

70. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Water-net is the name of:

 
 
 
 

75. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

77. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

79. Most of the algae are :

 
 
 
 

80. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

82. Most common type of conjugation in Spirogyra is :

 
 
 
 

83. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

85. Water bloom is generally caused by :

 
 
 
 

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