Quiz_Algae

1. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

3. All algae have:

 
 
 
 

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

 
 
 
 

5. The word “sea weeds” is used for:

 
 
 
 

6. Antibiotic has been extracted from :

 
 
 
 

7. Which fixes atmospheric nitrogen?

 
 
 
 

8. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

10. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

12. Asexual reproductive body of Volvox is called:

 
 
 
 

13. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Water bloom is generally caused by :

 
 
 
 

18. One of the distinctive feature of Spirogyra is :

 
 
 
 

19. Heterocysts are found in :

 
 
 
 

20. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

21. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

23. The zoospores of Ulothrix are :

 
 
 
 

24. True sexuality is not found in:

 
 
 
 

25. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

33. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

35. Which of the following have algal zone?

 
 
 
 

36. Nannandria are:

 
 
 
 

37. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

39. Cap cells are found in the filament of:

 
 
 
 

40. Most of the algae are :

 
 
 
 

41. Isomorphic type alternation of generation is found in:

 
 
 
 

42. Choose the correct statement about Spirogyra:

 
 
 
 

43. Which of the following have a prokaryotic cell?

 
 
 
 

44. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Iodine is obtained from :

 
 
 
 

48. An alga which is rich in proteins:

 
 
 
 

49. Iodine is obtained from:

 
 
 
 

50. The flagella of Chlamydomonas are:

 
 
 
 

51. The alga, Spirogyra are found in :

 
 
 
 

52. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

54. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Ulothrix produces :

 
 
 
 

59. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Water-net is the name of:

 
 
 
 

69. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

71. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

85. Ectocarpus produces:

 
 
 
 

86. Most common type of conjugation in Spirogyra is :