Quiz_Algae

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

 
 
 
 

2. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Most common type of conjugation in Spirogyra is :

 
 
 
 

10. Among the algae kelps are :

 
 
 
 

11. Isomorphic type alternation of generation is found in:

 
 
 
 

12. Spirogyra represents the :

 
 
 
 

13. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Ulothrix produces :

 
 
 
 

17. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

22. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

28. Which fixes atmospheric nitrogen?

 
 
 
 

29. Synzoospore is produced in:

 
 
 
 

30. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

37. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

39. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

41. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

46. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

48. Water-net is the name of:

 
 
 
 

49. Choose the correct statement about Spirogyra:

 
 
 
 

50. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

52. All algae have:

 
 
 
 

53. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. The alga, Spirogyra are found in :

 
 
 
 

58. Which of the following shows heterotrichous habit?

 
 
 
 

59. Which of the following have a prokaryotic cell?

 
 
 
 

60. Each chloroplast in Spirogyra bears :

 
 
 
 

61. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

63. Water bloom is generally caused by :

 
 
 
 

64. Which one of the following statement is wrong?

 
 
 
 

65. Meiosis in Ulothrix takes place:

 
 
 
 

66. One of the distinctive feature of Spirogyra is :

 
 
 
 

67. The word “sea weeds” is used for:

 
 
 
 

68. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

70. True sexuality is not found in:

 
 
 
 

71. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

76. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

83. Iodine is obtained from:

 
 
 
 

84. The zoospores of Ulothrix are :

 
 
 
 

85. The largest alga is:

 
 
 
 

86. Nannandria are: