Quiz_Algae

1. The word “sea weeds” is used for:

 
 
 
 

2. One of the distinctive feature of Spirogyra is :

 
 
 
 

3. Choose the correct statement about Spirogyra:

 
 
 
 

4. The chloroplast in Ulothrix is :

 
 
 
 

5. The alga, Spirogyra are found in :

 
 
 
 

6. Heterotrichous habit means :

 
 
 
 

7. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

14. All algae have:

 
 
 
 

15. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

23. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

25. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

30. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Which of the following is a parasitic algae?

 
 
 
 

36. Ulothrix produces :

 
 
 
 

37. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

39. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

48. Synzoospore is produced in:

 
 
 
 

49. Each chloroplast in Spirogyra bears :

 
 
 
 

50. Which one of the following statement is wrong?

 
 
 
 

51. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Water bloom is generally caused by :

 
 
 
 

55. Meiosis in Ulothrix takes place:

 
 
 
 

56. Which of the following have a prokaryotic cell?

 
 
 
 

57. Water-net is the name of:

 
 
 
 

58. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

60. Antibiotic has been extracted from :

 
 
 
 

61. True sexuality is not found in:

 
 
 
 

62. Which of the following have algal zone?

 
 
 
 

63. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Ectocarpus produces:

 
 
 
 

67. Agar-agar is obtained from:

 
 
 
 

68. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

70. Among the algae kelps are :

 
 
 
 

71. Redness of red sea is due to :

 
 
 
 

72. The largest alga is:

 
 
 
 

73. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

81. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

86. Nannandria are: