Quiz_Algae

1. Iodine is obtained from :

 
 
 
 

2. The largest alga is:

 
 
 
 

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

 
 
 
 

4. Water-net is the name of:

 
 
 
 

5. Ulothrix produces :

 
 
 
 

6. Heterocysts are found in :

 
 
 
 

7. The word “sea weeds” is used for:

 
 
 
 

8. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. The chloroplast in Ulothrix is :

 
 
 
 

16. True sexuality is not found in:

 
 
 
 

17. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

28. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

30. An alga which is rich in proteins:

 
 
 
 

31. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. The zoospores of Ulothrix are :

 
 
 
 

35. Spirogyra represents the :

 
 
 
 

36. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

38. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

44. Which of the following shows heterotrichous habit?

 
 
 
 

45. The flagella of Chlamydomonas are:

 
 
 
 

46. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

47. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

49. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

51. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Mostly type of zygospore in Ulothrix is:

 
 
 
 

56. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

58. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

60. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

62. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

64. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

69. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

71. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

73. Most of the algae are :

 
 
 
 

74. Isomorphic type alternation of generation is found in:

 
 
 
 

75. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

77. Nannandria are:

 
 
 
 

78. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

80. Ectocarpus produces:

 
 
 
 

81. All algae have:

 
 
 
 

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

 
 
 
 

83. Most common type of conjugation in Spirogyra is :

 
 
 
 

84. Which of the following have algal zone?

 
 
 
 

85. Agar-agar is obtained from:

 
 
 
 

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