Quiz_Algae

1. The zoospores of Ulothrix are :

 
 
 
 

2. Which group of algae have an incipient nucleus?

 
 
 
 

3. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

5. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

14. Spirogyra represents the :

 
 
 
 

15. Water-net is the name of:

 
 
 
 

16. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

18. Nannandria are:

 
 
 
 

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

 
 
 
 

20. One of the distinctive feature of Spirogyra is :

 
 
 
 

21. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

23. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

24. Most common type of conjugation in Spirogyra is :

 
 
 
 

25. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

27. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Which of the following have a prokaryotic cell?

 
 
 
 

33. Which of the following have algal zone?

 
 
 
 

34. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

36. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

38. Antibiotic has been extracted from :

 
 
 
 

39. Heterocysts are found in :

 
 
 
 

40. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

41. Asexual reproductive body of Volvox is called:

 
 
 
 

42. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

44. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The word “sea weeds” is used for:

 
 
 
 

48. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

50. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

52. The largest alga is:

 
 
 
 

53. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Which one of the following statement is wrong?

 
 
 
 

61. Ectocarpus produces:

 
 
 
 

62. Agar-agar is obtained from:

 
 
 
 

63. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. An alga which is rich in proteins:

 
 
 
 

67. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

69. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Cap cells are found in the filament of:

 
 
 
 

76. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

84. Synzoospore is produced in:

 
 
 
 

85. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

86. Ulothrix produces :