Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Which of the following shows heterotrichous habit?

 
 
 
 

4. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

6. Heterocysts are found in :

 
 
 
 

7. The chloroplast in Ulothrix is :

 
 
 
 

8. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

10. Ulothrix produces :

 
 
 
 

11. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

13. The alga, Spirogyra are found in :

 
 
 
 

14. The largest alga is:

 
 
 
 

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

 
 
 
 

16. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Mostly type of zygospore in Ulothrix is:

 
 
 
 

20. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Water-net is the name of:

 
 
 
 

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

 
 
 
 

25. What are Cyanobacteria?

 
 
 
 

26. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

28. Synzoospore is produced in:

 
 
 
 

29. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

31. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

33. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

35. Antibiotic has been extracted from :

 
 
 
 

36. Most common type of conjugation in Spirogyra is :

 
 
 
 

37. Which of the following have a prokaryotic cell?

 
 
 
 

38. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

40. Most of the algae are :

 
 
 
 

41. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. The zoospores of Ulothrix are :

 
 
 
 

45. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

47. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Cap cells are found in the filament of:

 
 
 
 

55. Spirogyra represents the :

 
 
 
 

56. Nannandria are:

 
 
 
 

57. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Meiosis in Ulothrix takes place:

 
 
 
 

64. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Asexual reproductive body of Volvox is called:

 
 
 
 

68. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

70. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Iodine is obtained from:

 
 
 
 

75. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

80. Which one of the following statement is wrong?

 
 
 
 

81. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. An alga which is rich in proteins:

 
 
 
 

85. Which of the following is a parasitic algae?

 
 
 
 

86. Redness of red sea is due to :