Quiz_Algae

1. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

3. Spirogyra represents the :

 
 
 
 

4. Most common type of conjugation in Spirogyra is :

 
 
 
 

5. Which one of the following statement is wrong?

 
 
 
 

6. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Antibiotic has been extracted from :

 
 
 
 

12. An alga which is rich in proteins:

 
 
 
 

13. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

15. The chloroplast in Ulothrix is :

 
 
 
 

16. Which of the following have algal zone?

 
 
 
 

17. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

23. Redness of red sea is due to :

 
 
 
 

24. One of the distinctive feature of Spirogyra is :

 
 
 
 

25. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. All algae have:

 
 
 
 

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

 
 
 
 

32. Heterocysts are found in :

 
 
 
 

33. Ulothrix produces :

 
 
 
 

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

 
 
 
 

35. Which fixes atmospheric nitrogen?

 
 
 
 

36. The chloroplast of Chlamydomonas are:

 
 
 
 

37. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

39. Iodine is obtained from:

 
 
 
 

40. The zoospores of Ulothrix are :

 
 
 
 

41. Most of the algae are :

 
 
 
 

42. Which of the following is a parasitic algae?

 
 
 
 

43. Cap cells are found in the filament of:

 
 
 
 

44. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Which of the following shows heterotrichous habit?

 
 
 
 

49. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

51. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Water bloom is generally caused by :

 
 
 
 

56. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. What are Cyanobacteria?

 
 
 
 

62. Nannandria are:

 
 
 
 

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

 
 
 
 

64. Synzoospore is produced in:

 
 
 
 

65. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Which of the following have a prokaryotic cell?

 
 
 
 

69. Ectocarpus produces:

 
 
 
 

70. Mostly type of zygospore in Ulothrix is:

 
 
 
 

71. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Which group of algae have an incipient nucleus?

 
 
 
 

80. The largest alga is:

 
 
 
 

81. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

86. Ulothrix and Spirogyra reproduce vegetatively by :