Quiz_Algae

1. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

3. Agar-agar is obtained from:

 
 
 
 

4. Redness of red sea is due to :

 
 
 
 

5. Choose the correct statement about Spirogyra:

 
 
 
 

6. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

7. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

9. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

11. Spirogyra represents the :

 
 
 
 

12. Ectocarpus produces:

 
 
 
 

13. Synzoospore is produced in:

 
 
 
 

14. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Which group of algae have an incipient nucleus?

 
 
 
 

21. Ulothrix produces :

 
 
 
 

22. The chloroplast in Ulothrix is :

 
 
 
 

23. Antibiotic has been extracted from :

 
 
 
 

24. The largest alga is:

 
 
 
 

25. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

27. The chloroplast of Chlamydomonas are:

 
 
 
 

28. What are Cyanobacteria?

 
 
 
 

29. Each chloroplast in Spirogyra bears :

 
 
 
 

30. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Iodine is obtained from:

 
 
 
 

34. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

36. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

38. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

42. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

46. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Which fixes atmospheric nitrogen?

 
 
 
 

60. Water-net is the name of:

 
 
 
 

61. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

63. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Mostly type of zygospore in Ulothrix is:

 
 
 
 

68. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. All algae have:

 
 
 
 

72. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

74. True sexuality is not found in:

 
 
 
 

75. Heterotrichous habit means :

 
 
 
 

76. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

78. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. The word “sea weeds” is used for:

 
 
 
 

82. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. One of the distinctive feature of Spirogyra is :

 
 
 
 

86. Isomorphic type alternation of generation is found in: