Quiz_Algae

1. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

3. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

8. The alga, Spirogyra are found in :

 
 
 
 

9. What are Cyanobacteria?

 
 
 
 

10. The chloroplast of Chlamydomonas are:

 
 
 
 

11. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

12. Mostly type of zygospore in Ulothrix is:

 
 
 
 

13. Which group of algae have an incipient nucleus?

 
 
 
 

14. The word “sea weeds” is used for:

 
 
 
 

15. Spirogyra represents the :

 
 
 
 

16. The zoospores of Ulothrix are :

 
 
 
 

17. Asexual reproductive body of Volvox is called:

 
 
 
 

18. Most common type of conjugation in Spirogyra is :

 
 
 
 

19. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

21. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Which of the following have a prokaryotic cell?

 
 
 
 

26. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Antibiotic has been extracted from :

 
 
 
 

51. Which of the following is a parasitic algae?

 
 
 
 

52. Heterotrichous habit means :

 
 
 
 

53. Among the algae kelps are :

 
 
 
 

54. Most of the algae are :

 
 
 
 

55. Which of the following shows heterotrichous habit?

 
 
 
 

56. Which fixes atmospheric nitrogen?

 
 
 
 

57. Which one of the following statement is wrong?

 
 
 
 

58. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

60. Each chloroplast in Spirogyra bears :

 
 
 
 

61. Choose the correct statement about Spirogyra:

 
 
 
 

62. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. All algae have:

 
 
 
 

69. Synzoospore is produced in:

 
 
 
 

70. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Water-net is the name of:

 
 
 
 

74. Ectocarpus produces:

 
 
 
 

75. Isomorphic type alternation of generation is found in:

 
 
 
 

76. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Which of the following have algal zone?

 
 
 
 

81. Nannandria are:

 
 
 
 

82. Agar-agar is obtained from:

 
 
 
 

83. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Redness of red sea is due to :