Quiz_Algae

1. Which of the following shows heterotrichous habit?

 
 
 
 

2. Which fixes atmospheric nitrogen?

 
 
 
 

3. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Which of the following have algal zone?

 
 
 
 

11. Isomorphic type alternation of generation is found in:

 
 
 
 

12. The alga, Spirogyra are found in :

 
 
 
 

13. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Which of the following is a parasitic algae?

 
 
 
 

25. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Most of the algae are :

 
 
 
 

30. What are Cyanobacteria?

 
 
 
 

31. Redness of red sea is due to :

 
 
 
 

32. The chloroplast of Chlamydomonas are:

 
 
 
 

33. Iodine is obtained from:

 
 
 
 

34. Agar-agar is obtained from:

 
 
 
 

35. The word “sea weeds” is used for:

 
 
 
 

36. Mostly type of zygospore in Ulothrix is:

 
 
 
 

37. One of the distinctive feature of Spirogyra is :

 
 
 
 

38. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

39. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Nannandria are:

 
 
 
 

44. Most common type of conjugation in Spirogyra is :

 
 
 
 

45. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. The largest alga is:

 
 
 
 

50. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

52. Heterotrichous habit means :

 
 
 
 

53. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Which of the following have a prokaryotic cell?

 
 
 
 

61. The chloroplast in Ulothrix is :

 
 
 
 

62. Spirogyra represents the :

 
 
 
 

63. Which one of the following statement is wrong?

 
 
 
 

64. The zoospores of Ulothrix are :

 
 
 
 

65. Antibiotic has been extracted from :

 
 
 
 

66. Which group of algae have an incipient nucleus?

 
 
 
 

67. Among the algae kelps are :

 
 
 
 

68. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

77. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

79. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

81. Asexual reproductive body of Volvox is called:

 
 
 
 

82. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. An alga which is rich in proteins:

 
 
 
 

86. Each chloroplast in Spirogyra bears :