Quiz_Algae

1. The alga, Spirogyra are found in :

 
 
 
 

2. Agar-agar is obtained from:

 
 
 
 

3. Isomorphic type alternation of generation is found in:

 
 
 
 

4. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Asexual reproductive body of Volvox is called:

 
 
 
 

8. Redness of red sea is due to :

 
 
 
 

9. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Which of the following shows heterotrichous habit?

 
 
 
 

14. Which of the following have algal zone?

 
 
 
 

15. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Antibiotic has been extracted from :

 
 
 
 

19. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Nannandria are:

 
 
 
 

24. Which of the following have a prokaryotic cell?

 
 
 
 

25. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

27. Iodine is obtained from :

 
 
 
 

28. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

30. True sexuality is not found in:

 
 
 
 

31. Water-net is the name of:

 
 
 
 

32. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

34. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

36. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Cap cells are found in the filament of:

 
 
 
 

45. The word “sea weeds” is used for:

 
 
 
 

46. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Which group of algae have an incipient nucleus?

 
 
 
 

54. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

56. One of the distinctive feature of Spirogyra is :

 
 
 
 

57. The flagella of Chlamydomonas are:

 
 
 
 

58. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

59. Iodine is obtained from:

 
 
 
 

60. Ulothrix produces :

 
 
 
 

61. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Most common type of conjugation in Spirogyra is :

 
 
 
 

70. Spirogyra represents the :

 
 
 
 

71. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

73. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Among the algae kelps are :

 
 
 
 

79. Synzoospore is produced in:

 
 
 
 

80. An alga which is rich in proteins:

 
 
 
 

81. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

83. Mostly type of zygospore in Ulothrix is:

 
 
 
 

84. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

86. Meiosis in Ulothrix takes place: