Quiz_Algae

1. The largest alga is:

 
 
 
 

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

 
 
 
 

3. Ulothrix produces :

 
 
 
 

4. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

6. Nannandria are:

 
 
 
 

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

 
 
 
 

8. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Antibiotic has been extracted from :

 
 
 
 

15. Which one of the following statement is wrong?

 
 
 
 

16. Spirogyra represents the :

 
 
 
 

17. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

19. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Agar-agar is obtained from:

 
 
 
 

28. Heterotrichous habit means :

 
 
 
 

29. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

31. Each chloroplast in Spirogyra bears :

 
 
 
 

32. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Cap cells are found in the filament of:

 
 
 
 

36. Iodine is obtained from:

 
 
 
 

37. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

39. Iodine is obtained from :

 
 
 
 

40. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

41. Which of the following shows heterotrichous habit?

 
 
 
 

42. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. The chloroplast in Ulothrix is :

 
 
 
 

46. What are Cyanobacteria?

 
 
 
 

47. The zoospores of Ulothrix are :

 
 
 
 

48. Ectocarpus produces:

 
 
 
 

49. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

51. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

60. The alga, Spirogyra are found in :

 
 
 
 

61. Isomorphic type alternation of generation is found in:

 
 
 
 

62. Synzoospore is produced in:

 
 
 
 

63. The word “sea weeds” is used for:

 
 
 
 

64. All algae have:

 
 
 
 

65. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

67. Mostly type of zygospore in Ulothrix is:

 
 
 
 

68. Which group of algae have an incipient nucleus?

 
 
 
 

69. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

71. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

83. Water-net is the name of:

 
 
 
 

84. The chloroplast of Chlamydomonas are:

 
 
 
 

85. Water bloom is generally caused by :

 
 
 
 

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