Quiz_Algae

1. The zoospores of Ulothrix are :

 
 
 
 

2. Isomorphic type alternation of generation is found in:

 
 
 
 

3. The chloroplast in Ulothrix is :

 
 
 
 

4. Which fixes atmospheric nitrogen?

 
 
 
 

5. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Redness of red sea is due to :

 
 
 
 

11. Nannandria are:

 
 
 
 

12. The word “sea weeds” is used for:

 
 
 
 

13. Which of the following is a parasitic algae?

 
 
 
 

14. Choose the correct statement about Spirogyra:

 
 
 
 

15. An alga which is rich in proteins:

 
 
 
 

16. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

18. Most of the algae are :

 
 
 
 

19. Meiosis in Ulothrix takes place:

 
 
 
 

20. Which of the following shows heterotrichous habit?

 
 
 
 

21. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

26. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

32. The largest alga is:

 
 
 
 

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

 
 
 
 

34. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Which group of algae have an incipient nucleus?

 
 
 
 

38. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

39. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

43. True sexuality is not found in:

 
 
 
 

44. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

46. Each chloroplast in Spirogyra bears :

 
 
 
 

47. Heterotrichous habit means :

 
 
 
 

48. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. The chloroplast of Chlamydomonas are:

 
 
 
 

54. Heterocysts are found in :

 
 
 
 

55. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Antibiotic has been extracted from :

 
 
 
 

62. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

64. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Asexual reproductive body of Volvox is called:

 
 
 
 

68. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

76. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

78. Mostly type of zygospore in Ulothrix is:

 
 
 
 

79. Water-net is the name of:

 
 
 
 

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

 
 
 
 

81. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Iodine is obtained from :