Quiz_Algae

1. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

2. Which of the following is a parasitic algae?

 
 
 
 

3. Asexual reproductive body of Volvox is called:

 
 
 
 

4. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

14. The chloroplast in Ulothrix is :

 
 
 
 

15. The zoospores of Ulothrix are :

 
 
 
 

16. The chloroplast of Chlamydomonas are:

 
 
 
 

17. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Synzoospore is produced in:

 
 
 
 

25. Mostly type of zygospore in Ulothrix is:

 
 
 
 

26. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Most of the algae are :

 
 
 
 

37. An alga which is rich in proteins:

 
 
 
 

38. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

40. The alga, Spirogyra are found in :

 
 
 
 

41. Nannandria are:

 
 
 
 

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

 
 
 
 

43. Which of the following shows heterotrichous habit?

 
 
 
 

44. Agar-agar is obtained from:

 
 
 
 

45. What are Cyanobacteria?

 
 
 
 

46. Which of the following have algal zone?

 
 
 
 

47. True sexuality is not found in:

 
 
 
 

48. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Which of the following have a prokaryotic cell?

 
 
 
 

59. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

60. Antibiotic has been extracted from :

 
 
 
 

61. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

63. Water-net is the name of:

 
 
 
 

64. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

72. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

74. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

76. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

77. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

79. Most common type of conjugation in Spirogyra is :

 
 
 
 

80. Iodine is obtained from:

 
 
 
 

81. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

83. Cap cells are found in the filament of:

 
 
 
 

84. Ectocarpus produces:

 
 
 
 

85. Spirogyra represents the :

 
 
 
 

86. The largest alga is: