Quiz_Algae

1. Nannandria are:

 
 
 
 

2. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

11. Which of the following is a parasitic algae?

 
 
 
 

12. Ectocarpus produces:

 
 
 
 

13. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

22. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. The alga, Spirogyra are found in :

 
 
 
 

26. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

28. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

29. Heterotrichous habit means :

 
 
 
 

30. Cap cells are found in the filament of:

 
 
 
 

31. Water-net is the name of:

 
 
 
 

32. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

37. Choose the correct statement about Spirogyra:

 
 
 
 

38. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

39. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

41. All algae have:

 
 
 
 

42. Which one of the following statement is wrong?

 
 
 
 

43. Mostly type of zygospore in Ulothrix is:

 
 
 
 

44. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. The flagella of Chlamydomonas are:

 
 
 
 

49. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

57. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

59. The chloroplast in Ulothrix is :

 
 
 
 

60. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

62. The largest alga is:

 
 
 
 

63. Iodine is obtained from:

 
 
 
 

64. Ulothrix produces :

 
 
 
 

65. Each chloroplast in Spirogyra bears :

 
 
 
 

66. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Which fixes atmospheric nitrogen?

 
 
 
 

72. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

74. An alga which is rich in proteins:

 
 
 
 

75. The word “sea weeds” is used for:

 
 
 
 

76. The chloroplast of Chlamydomonas are:

 
 
 
 

77. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

79. Which group of algae have an incipient nucleus?

 
 
 
 

80. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

82. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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