Quiz_Algae

1. Most of the algae are :

 
 
 
 

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

 
 
 
 

3. Choose the correct statement about Spirogyra:

 
 
 
 

4. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

6. Cap cells are found in the filament of:

 
 
 
 

7. Spirogyra represents the :

 
 
 
 

8. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

10. Agar-agar is obtained from:

 
 
 
 

11. Heterocysts are found in :

 
 
 
 

12. Ulothrix produces :

 
 
 
 

13. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

15. The chloroplast of Chlamydomonas are:

 
 
 
 

16. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

22. The chloroplast in Ulothrix is :

 
 
 
 

23. Heterotrichous habit means :

 
 
 
 

24. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

26. Most common type of conjugation in Spirogyra is :

 
 
 
 

27. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

29. Nannandria are:

 
 
 
 

30. Water bloom is generally caused by :

 
 
 
 

31. The zoospores of Ulothrix are :

 
 
 
 

32. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

34. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

35. The largest alga is:

 
 
 
 

36. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Redness of red sea is due to :

 
 
 
 

41. Which of the following have a prokaryotic cell?

 
 
 
 

42. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

44. Synzoospore is produced in:

 
 
 
 

45. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

54. All algae have:

 
 
 
 

55. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

57. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

59. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

61. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Which of the following is a parasitic algae?

 
 
 
 

69. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Iodine is obtained from:

 
 
 
 

77. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

79. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

80. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Which group of algae have an incipient nucleus?

 
 
 
 

84. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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