Quiz_Algae

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

 
 
 
 

2. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

4. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

6. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Which group of algae have an incipient nucleus?

 
 
 
 

11. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

13. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

15. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

17. The chloroplast of Chlamydomonas are:

 
 
 
 

18. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

20. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

25. The zoospores of Ulothrix are :

 
 
 
 

26. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

30. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

32. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

34. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. The largest alga is:

 
 
 
 

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

 
 
 
 

40. Which of the following have algal zone?

 
 
 
 

41. Mostly type of zygospore in Ulothrix is:

 
 
 
 

42. Which one of the following statement is wrong?

 
 
 
 

43. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

44. Nannandria are:

 
 
 
 

45. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

47. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Iodine is obtained from:

 
 
 
 

51. The chloroplast in Ulothrix is :

 
 
 
 

52. Synzoospore is produced in:

 
 
 
 

53. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Meiosis in Ulothrix takes place:

 
 
 
 

57. Most of the algae are :

 
 
 
 

58. Among the algae kelps are :

 
 
 
 

59. The flagella of Chlamydomonas are:

 
 
 
 

60. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

65. What are Cyanobacteria?

 
 
 
 

66. Which of the following have a prokaryotic cell?

 
 
 
 

67. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Which fixes atmospheric nitrogen?

 
 
 
 

78. Ectocarpus produces:

 
 
 
 

79. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

84. The alga, Spirogyra are found in :

 
 
 
 

85. True sexuality is not found in:

 
 
 
 

86. Water-net is the name of: