Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Which of the following is a parasitic algae?

 
 
 
 

4. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

8. Heterocysts are found in :

 
 
 
 

9. The chloroplast in Ulothrix is :

 
 
 
 

10. Water-net is the name of:

 
 
 
 

11. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Which fixes atmospheric nitrogen?

 
 
 
 

19. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

20. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

22. Isomorphic type alternation of generation is found in:

 
 
 
 

23. Most of the algae are :

 
 
 
 

24. The largest alga is:

 
 
 
 

25. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

27. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

28. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

30. Spirogyra represents the :

 
 
 
 

31. Which of the following shows heterotrichous habit?

 
 
 
 

32. All algae have:

 
 
 
 

33. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

35. An alga which is rich in proteins:

 
 
 
 

36. Mostly type of zygospore in Ulothrix is:

 
 
 
 

37. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

39. Among the algae kelps are :

 
 
 
 

40. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

42. Asexual reproductive body of Volvox is called:

 
 
 
 

43. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

45. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

55. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

57. Water bloom is generally caused by :

 
 
 
 

58. One of the distinctive feature of Spirogyra is :

 
 
 
 

59. The flagella of Chlamydomonas are:

 
 
 
 

60. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Choose the correct statement about Spirogyra:

 
 
 
 

68. True sexuality is not found in:

 
 
 
 

69. Ectocarpus produces:

 
 
 
 

70. Iodine is obtained from:

 
 
 
 

71. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

81. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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