Quiz_Algae

1. Most of the algae are :

 
 
 
 

2. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Which fixes atmospheric nitrogen?

 
 
 
 

6. Antibiotic has been extracted from :

 
 
 
 

7. Which one of the following statement is wrong?

 
 
 
 

8. The largest alga is:

 
 
 
 

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

 
 
 
 

10. Which of the following is a parasitic algae?

 
 
 
 

11. Each chloroplast in Spirogyra bears :

 
 
 
 

12. Ectocarpus produces:

 
 
 
 

13. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. The flagella of Chlamydomonas are:

 
 
 
 

21. The alga, Spirogyra are found in :

 
 
 
 

22. Most common type of conjugation in Spirogyra is :

 
 
 
 

23. One of the distinctive feature of Spirogyra is :

 
 
 
 

24. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

25. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

27. Choose the correct statement about Spirogyra:

 
 
 
 

28. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

30. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Iodine is obtained from :

 
 
 
 

34. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

36. Meiosis in Ulothrix takes place:

 
 
 
 

37. Cap cells are found in the filament of:

 
 
 
 

38. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. The chloroplast of Chlamydomonas are:

 
 
 
 

44. An alga which is rich in proteins:

 
 
 
 

45. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Which group of algae have an incipient nucleus?

 
 
 
 

49. The zoospores of Ulothrix are :

 
 
 
 

50. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

52. Ulothrix produces :

 
 
 
 

53. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. All algae have:

 
 
 
 

71. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Water-net is the name of:

 
 
 
 

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

 
 
 
 

76. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

77. Synzoospore is produced in:

 
 
 
 

78. Water bloom is generally caused by :

 
 
 
 

79. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

81. What are Cyanobacteria?

 
 
 
 

82. Asexual reproductive body of Volvox is called:

 
 
 
 

83. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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