Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. The zoospores of Ulothrix are :

 
 
 
 

8. Ulothrix produces :

 
 
 
 

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

 
 
 
 

10. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Cap cells are found in the filament of:

 
 
 
 

14. Iodine is obtained from :

 
 
 
 

15. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

16. Nannandria are:

 
 
 
 

17. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

18. Water bloom is generally caused by :

 
 
 
 

19. Antibiotic has been extracted from :

 
 
 
 

20. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

22. True sexuality is not found in:

 
 
 
 

23. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

25. One of the distinctive feature of Spirogyra is :

 
 
 
 

26. Which of the following have a prokaryotic cell?

 
 
 
 

27. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

29. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Synzoospore is produced in:

 
 
 
 

33. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

35. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Which of the following shows heterotrichous habit?

 
 
 
 

45. Ectocarpus produces:

 
 
 
 

46. The chloroplast of Chlamydomonas are:

 
 
 
 

47. Which of the following have algal zone?

 
 
 
 

48. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

50. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Among the algae kelps are :

 
 
 
 

54. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

55. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

60. Isomorphic type alternation of generation is found 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. Agar-agar is obtained from:

 
 
 
 

63. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Most common type of conjugation in Spirogyra is :

 
 
 
 

67. The word “sea weeds” is used for:

 
 
 
 

68. The alga, Spirogyra are found in :

 
 
 
 

69. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Water-net is the name of:

 
 
 
 

76. Heterocysts are found in :

 
 
 
 

77. The largest alga is:

 
 
 
 

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

 
 
 
 

79. Asexual reproductive body of Volvox is called:

 
 
 
 

80. All algae have:

 
 
 
 

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

 
 
 
 

82. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

84. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

86. The chloroplast in Ulothrix is :