Quiz_Algae

1. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

2. Redness of red sea is due to :

 
 
 
 

3. Water-net is the name of:

 
 
 
 

4. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

6. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

8. Most of the algae are :

 
 
 
 

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

 
 
 
 

10. Meiosis in Ulothrix takes place:

 
 
 
 

11. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

13. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

19. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

21. Which of the following have a prokaryotic cell?

 
 
 
 

22. Most common type of conjugation in Spirogyra is :

 
 
 
 

23. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

25. Water bloom is generally caused by :

 
 
 
 

26. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Spirogyra represents the :

 
 
 
 

30. The zoospores of Ulothrix are :

 
 
 
 

31. All algae have:

 
 
 
 

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

 
 
 
 

33. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

35. An alga which is rich in proteins:

 
 
 
 

36. Ulothrix produces :

 
 
 
 

37. Iodine is obtained from :

 
 
 
 

38. Asexual reproductive body of Volvox is called:

 
 
 
 

39. Nannandria are:

 
 
 
 

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

 
 
 
 

41. What are Cyanobacteria?

 
 
 
 

42. Agar-agar is obtained from:

 
 
 
 

43. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Which group of algae have an incipient nucleus?

 
 
 
 

49. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

56. The word “sea weeds” is used for:

 
 
 
 

57. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

66. Which of the following have algal zone?

 
 
 
 

67. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. The largest alga is:

 
 
 
 

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

 
 
 
 

74. One of the distinctive feature of Spirogyra is :

 
 
 
 

75. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

77. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Which one of the following statement is wrong?

 
 
 
 

83. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

85. Synzoospore is produced in:

 
 
 
 

86. Which of the following shows heterotrichous habit?