Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Each chloroplast in Spirogyra bears :

 
 
 
 

4. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Which one of the following statement is wrong?

 
 
 
 

8. Synzoospore is produced in:

 
 
 
 

9. Water-net is the name of:

 
 
 
 

10. The chloroplast of Chlamydomonas are:

 
 
 
 

11. Isomorphic type alternation of generation is found in:

 
 
 
 

12. Which group of algae have an incipient nucleus?

 
 
 
 

13. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

18. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Which of the following have a prokaryotic cell?

 
 
 
 

22. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

24. Which of the following have algal zone?

 
 
 
 

25. True sexuality is not found in:

 
 
 
 

26. One of the distinctive feature of Spirogyra is :

 
 
 
 

27. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

28. Mostly type of zygospore in Ulothrix is:

 
 
 
 

29. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Ulothrix produces :

 
 
 
 

34. The largest alga is:

 
 
 
 

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

 
 
 
 

36. All algae have:

 
 
 
 

37. Meiosis in Ulothrix takes place:

 
 
 
 

38. Asexual reproductive body of Volvox is called:

 
 
 
 

39. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

41. The word “sea weeds” is used for:

 
 
 
 

42. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

44. The flagella of Chlamydomonas are:

 
 
 
 

45. Among the algae kelps are :

 
 
 
 

46. Nannandria are:

 
 
 
 

47. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

53. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

58. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Heterotrichous habit means :

 
 
 
 

62. Choose the correct statement about Spirogyra:

 
 
 
 

63. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. An alga which is rich in proteins:

 
 
 
 

75. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

77. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

79. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

81. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Cap cells are found in the filament of: