Quiz_Algae

1. Nannandria are:

 
 
 
 

2. Which of the following is a parasitic algae?

 
 
 
 

3. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Mostly type of zygospore in Ulothrix is:

 
 
 
 

7. Isomorphic type alternation of generation is found in:

 
 
 
 

8. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Iodine is obtained from:

 
 
 
 

12. Choose the correct statement about Spirogyra:

 
 
 
 

13. The word “sea weeds” is used for:

 
 
 
 

14. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

16. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Antibiotic has been extracted from :

 
 
 
 

24. Water bloom is generally caused by :

 
 
 
 

25. All algae have:

 
 
 
 

26. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

36. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

38. Agar-agar is obtained from:

 
 
 
 

39. The zoospores of Ulothrix are :

 
 
 
 

40. The flagella of Chlamydomonas are:

 
 
 
 

41. The alga, Spirogyra are found in :

 
 
 
 

42. The chloroplast in Ulothrix is :

 
 
 
 

43. Redness of red sea is due to :

 
 
 
 

44. An alga which is rich in proteins:

 
 
 
 

45. Each chloroplast in Spirogyra bears :

 
 
 
 

46. Which one of the following statement is wrong?

 
 
 
 

47. Ulothrix produces :

 
 
 
 

48. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

54. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. True sexuality is not found in:

 
 
 
 

59. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Most of the algae are :

 
 
 
 

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

 
 
 
 

64. Which group of algae have an incipient nucleus?

 
 
 
 

65. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Which of the following have a prokaryotic cell?

 
 
 
 

70. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

74. Among the algae kelps are :

 
 
 
 

75. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

80. Which fixes atmospheric nitrogen?

 
 
 
 

81. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

82. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Which of the following have algal zone?