Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Which of the following have algal zone?

 
 
 
 

4. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Choose the correct statement about Spirogyra:

 
 
 
 

8. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

14. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

15. Which fixes atmospheric nitrogen?

 
 
 
 

16. Which of the following shows heterotrichous habit?

 
 
 
 

17. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Heterotrichous habit means :

 
 
 
 

21. Spirogyra represents the :

 
 
 
 

22. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

27. Most of the algae are :

 
 
 
 

28. Ectocarpus produces:

 
 
 
 

29. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

31. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

33. Agar-agar is obtained from:

 
 
 
 

34. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

42. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Water-net is the name of:

 
 
 
 

48. The largest alga is:

 
 
 
 

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

 
 
 
 

50. True sexuality is not found in:

 
 
 
 

51. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Synzoospore is produced in:

 
 
 
 

57. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. The chloroplast in Ulothrix is :

 
 
 
 

61. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

63. The chloroplast of Chlamydomonas are:

 
 
 
 

64. One of the distinctive feature of Spirogyra is :

 
 
 
 

65. The alga, Spirogyra are found in :

 
 
 
 

66. Ulothrix produces :

 
 
 
 

67. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

69. All algae have:

 
 
 
 

70. The zoospores of Ulothrix are :

 
 
 
 

71. Asexual reproductive body of Volvox is called:

 
 
 
 

72. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Water bloom is generally caused by :

 
 
 
 

76. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

78. Which of the following is a parasitic algae?

 
 
 
 

79. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Nannandria are:

 
 
 
 

83. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. The word “sea weeds” is used for: