Quiz_Algae

1. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

2. Mostly type of zygospore in Ulothrix is:

 
 
 
 

3. An alga which is rich in proteins:

 
 
 
 

4. Which one of the following statement is wrong?

 
 
 
 

5. What are Cyanobacteria?

 
 
 
 

6. Most common type of conjugation in Spirogyra is :

 
 
 
 

7. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

8. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Iodine is obtained from:

 
 
 
 

12. Redness of red sea is due to :

 
 
 
 

13. The word “sea weeds” is used for:

 
 
 
 

14. Most of the algae are :

 
 
 
 

15. Meiosis in Ulothrix takes place:

 
 
 
 

16. Choose the correct statement about Spirogyra:

 
 
 
 

17. The largest alga is:

 
 
 
 

18. The flagella of Chlamydomonas are:

 
 
 
 

19. Heterocysts are found in :

 
 
 
 

20. Antibiotic has been extracted from :

 
 
 
 

21. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Water bloom is generally caused by :

 
 
 
 

26. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

28. Which of the following have algal zone?

 
 
 
 

29. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

35. Which fixes atmospheric nitrogen?

 
 
 
 

36. Iodine is obtained from :

 
 
 
 

37. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

46. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

48. One of the distinctive feature of Spirogyra is :

 
 
 
 

49. Each chloroplast in Spirogyra bears :

 
 
 
 

50. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Asexual reproductive body of Volvox is called:

 
 
 
 

68. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

74. Ulothrix produces :

 
 
 
 

75. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

77. Which of the following have a prokaryotic cell?

 
 
 
 

78. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

80. True sexuality is not found in:

 
 
 
 

81. Nannandria are:

 
 
 
 

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

 
 
 
 

83. Isomorphic type alternation of generation is found in:

 
 
 
 

84. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

86. Water-net is the name of: