Quiz_Algae

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

 
 
 
 

2. The flagella of Chlamydomonas are:

 
 
 
 

3. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Mostly type of zygospore in Ulothrix is:

 
 
 
 

12. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. True sexuality is not found in:

 
 
 
 

16. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

18. All algae have:

 
 
 
 

19. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

21. Spirogyra represents the :

 
 
 
 

22. Most of the algae are :

 
 
 
 

23. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

25. Redness of red sea is due to :

 
 
 
 

26. Ectocarpus produces:

 
 
 
 

27. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

29. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. The chloroplast of Chlamydomonas are:

 
 
 
 

35. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Synzoospore is produced in:

 
 
 
 

39. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

41. Asexual reproductive body of Volvox is called:

 
 
 
 

42. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. An alga which is rich in proteins:

 
 
 
 

46. Water-net is the name of:

 
 
 
 

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

 
 
 
 

48. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

50. What are Cyanobacteria?

 
 
 
 

51. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. The zoospores of Ulothrix are :

 
 
 
 

59. Which of the following shows heterotrichous habit?

 
 
 
 

60. Most common type of conjugation in Spirogyra is :

 
 
 
 

61. Choose the correct statement about Spirogyra:

 
 
 
 

62. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Heterotrichous habit means :

 
 
 
 

66. The largest alga is:

 
 
 
 

67. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

68. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

70. Ulothrix produces :

 
 
 
 

71. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

76. Heterocysts are found in :

 
 
 
 

77. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

82. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

83. Meiosis in Ulothrix takes place:

 
 
 
 

84. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

86. Which group of algae have an incipient nucleus?