Quiz_Algae

1. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

8. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

10. Isomorphic type alternation of generation is found in:

 
 
 
 

11. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

13. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

28. Which of the following shows heterotrichous habit?

 
 
 
 

29. Water bloom is generally caused by :

 
 
 
 

30. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

35. Asexual reproductive body of Volvox is called:

 
 
 
 

36. Iodine is obtained from :

 
 
 
 

37. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

39. Each chloroplast in Spirogyra bears :

 
 
 
 

40. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

42. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

43. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

45. Which of the following have a prokaryotic cell?

 
 
 
 

46. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

48. Agar-agar is obtained from:

 
 
 
 

49. The largest alga is:

 
 
 
 

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

 
 
 
 

51. Which one of the following statement is wrong?

 
 
 
 

52. Choose the correct statement about Spirogyra:

 
 
 
 

53. Which of the following is a parasitic algae?

 
 
 
 

54. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

59. An alga which is rich in proteins:

 
 
 
 

60. Antibiotic has been extracted from :

 
 
 
 

61. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

63. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

65. Ectocarpus produces:

 
 
 
 

66. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Ulothrix produces :

 
 
 
 

70. The zoospores of Ulothrix are :

 
 
 
 

71. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. All algae have:

 
 
 
 

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

 
 
 
 

77. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Among the algae kelps are :

 
 
 
 

81. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

83. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

84. Heterocysts are found in :

 
 
 
 

85. The word “sea weeds” is used for:

 
 
 
 

86. Which group of algae have an incipient nucleus?