Quiz_Algae

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

 
 
 
 

2. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

4. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

10. Most common type of conjugation in Spirogyra is :

 
 
 
 

11. Which fixes atmospheric nitrogen?

 
 
 
 

12. Iodine is obtained from :

 
 
 
 

13. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

15. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Antibiotic has been extracted from :

 
 
 
 

21. The chloroplast of Chlamydomonas are:

 
 
 
 

22. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

24. Ulothrix produces :

 
 
 
 

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

 
 
 
 

26. Synzoospore is produced in:

 
 
 
 

27. Most of the algae are :

 
 
 
 

28. All algae have:

 
 
 
 

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

 
 
 
 

30. What are Cyanobacteria?

 
 
 
 

31. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

42. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

44. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

46. Which of the following have algal zone?

 
 
 
 

47. Cap cells are found in the filament of:

 
 
 
 

48. The word “sea weeds” is used for:

 
 
 
 

49. Water bloom is generally caused by :

 
 
 
 

50. The largest alga is:

 
 
 
 

51. Which group of algae have an incipient nucleus?

 
 
 
 

52. Which one of the following statement is wrong?

 
 
 
 

53. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

55. The chloroplast in Ulothrix is :

 
 
 
 

56. Iodine is obtained from:

 
 
 
 

57. Which of the following is a parasitic algae?

 
 
 
 

58. One of the distinctive feature of Spirogyra is :

 
 
 
 

59. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

64. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. The flagella of Chlamydomonas are:

 
 
 
 

75. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

77. Ectocarpus produces:

 
 
 
 

78. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Heterotrichous habit means :

 
 
 
 

82. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

84. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

86. Among the algae kelps are :