Quiz_Algae

1. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

3. Heterotrichous habit means :

 
 
 
 

4. Which of the following is a parasitic algae?

 
 
 
 

5. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Most of the algae are :

 
 
 
 

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

 
 
 
 

10. Which of the following have algal zone?

 
 
 
 

11. Among the algae kelps are :

 
 
 
 

12. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

14. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

16. Redness of red sea is due to :

 
 
 
 

17. Most common type of conjugation in Spirogyra is :

 
 
 
 

18. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

20. Ectocarpus produces:

 
 
 
 

21. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

23. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Water bloom is generally caused by :

 
 
 
 

34. Each chloroplast in Spirogyra bears :

 
 
 
 

35. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

37. The zoospores of Ulothrix are :

 
 
 
 

38. Agar-agar is obtained from:

 
 
 
 

39. True sexuality is not found in:

 
 
 
 

40. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

42. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

43. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

49. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

51. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Which fixes atmospheric nitrogen?

 
 
 
 

58. Water-net is the name of:

 
 
 
 

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

 
 
 
 

60. Antibiotic has been extracted from :

 
 
 
 

61. Which one of the following statement is wrong?

 
 
 
 

62. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. The word “sea weeds” is used for:

 
 
 
 

66. Which group of algae have an incipient nucleus?

 
 
 
 

67. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

69. One of the distinctive feature of Spirogyra is :

 
 
 
 

70. Choose the correct statement about Spirogyra:

 
 
 
 

71. The flagella of Chlamydomonas are:

 
 
 
 

72. All algae have:

 
 
 
 

73. The chloroplast of Chlamydomonas are:

 
 
 
 

74. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

79. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Heterocysts are found in :