Quiz_Algae

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

 
 
 
 

2. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

4. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

8. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

10. The word “sea weeds” is used for:

 
 
 
 

11. The largest alga is:

 
 
 
 

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

 
 
 
 

13. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Water bloom is generally caused by :

 
 
 
 

21. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

26. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

28. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

30. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

32. Which one of the following statement is wrong?

 
 
 
 

33. Water-net is the name of:

 
 
 
 

34. Most common type of conjugation in Spirogyra is :

 
 
 
 

35. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

37. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. All algae have:

 
 
 
 

41. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

43. Choose the correct statement about Spirogyra:

 
 
 
 

44. The alga, Spirogyra are found in :

 
 
 
 

45. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

50. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Nannandria are:

 
 
 
 

54. Ulothrix produces :

 
 
 
 

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

 
 
 
 

56. Mostly type of zygospore in Ulothrix is:

 
 
 
 

57. Meiosis in Ulothrix takes place:

 
 
 
 

58. Redness of red sea is due to :

 
 
 
 

59. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

60. True sexuality is not found in:

 
 
 
 

61. Ectocarpus produces:

 
 
 
 

62. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Which of the following have algal zone?

 
 
 
 

66. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. What are Cyanobacteria?

 
 
 
 

70. Asexual reproductive body of Volvox is called:

 
 
 
 

71. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. One of the distinctive feature of Spirogyra is :

 
 
 
 

75. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Synzoospore is produced in:

 
 
 
 

79. Heterotrichous habit means :

 
 
 
 

80. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Most of the algae are :

 
 
 
 

85. Cap cells are found in the filament of:

 
 
 
 

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