Quiz_Algae

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

 
 
 
 

2. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

4. Mostly type of zygospore in Ulothrix is:

 
 
 
 

5. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

12. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

13. The flagella of Chlamydomonas are:

 
 
 
 

14. Ulothrix produces :

 
 
 
 

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

 
 
 
 

16. Nannandria are:

 
 
 
 

17. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

19. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Each chloroplast in Spirogyra bears :

 
 
 
 

23. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

25. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

27. Isomorphic type alternation of generation is found in:

 
 
 
 

28. All algae have:

 
 
 
 

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

 
 
 
 

30. The chloroplast in Ulothrix is :

 
 
 
 

31. Agar-agar is obtained from:

 
 
 
 

32. Meiosis in Ulothrix takes place:

 
 
 
 

33. Which of the following have algal zone?

 
 
 
 

34. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

36. True sexuality is not found in:

 
 
 
 

37. Most of the algae are :

 
 
 
 

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

 
 
 
 

39. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

40. The word “sea weeds” is used for:

 
 
 
 

41. One of the distinctive feature of Spirogyra is :

 
 
 
 

42. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Antibiotic has been extracted from :

 
 
 
 

46. Which one of the following statement is wrong?

 
 
 
 

47. Iodine is obtained from:

 
 
 
 

48. Cap cells are found in the filament of:

 
 
 
 

49. Water bloom is generally caused by :

 
 
 
 

50. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. The largest alga is:

 
 
 
 

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

 
 
 
 

60. Redness of red sea is due to :

 
 
 
 

61. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Which fixes atmospheric nitrogen?

 
 
 
 

72. Water-net is the name of:

 
 
 
 

73. Which of the following have a prokaryotic cell?

 
 
 
 

74. Spirogyra represents the :

 
 
 
 

75. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. What are Cyanobacteria?

 
 
 
 

82. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

83. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Which of the following is a parasitic algae?