Quiz_Algae

1. Isomorphic type alternation of generation is found in:

 
 
 
 

2. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

6. Antibiotic has been extracted from :

 
 
 
 

7. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. An alga which is rich in proteins:

 
 
 
 

13. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

15. Which of the following have a prokaryotic cell?

 
 
 
 

16. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. The zoospores of Ulothrix are :

 
 
 
 

20. Nannandria are:

 
 
 
 

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

 
 
 
 

22. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

24. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. The largest alga is:

 
 
 
 

28. The chloroplast in Ulothrix is :

 
 
 
 

29. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

31. Which of the following shows heterotrichous habit?

 
 
 
 

32. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

33. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

38. Heterocysts are found in :

 
 
 
 

39. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

41. The flagella of Chlamydomonas are:

 
 
 
 

42. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

44. Cap cells are found in the filament of:

 
 
 
 

45. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. The word “sea weeds” is used for:

 
 
 
 

49. Heterotrichous habit means :

 
 
 
 

50. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

52. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

54. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Which of the following have algal zone?

 
 
 
 

62. Which one of the following statement is wrong?

 
 
 
 

63. Water-net is the name of:

 
 
 
 

64. Redness of red sea is due to :

 
 
 
 

65. Iodine is obtained from :

 
 
 
 

66. Which fixes atmospheric nitrogen?

 
 
 
 

67. Mostly type of zygospore in Ulothrix is:

 
 
 
 

68. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Ulothrix produces :

 
 
 
 

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

 
 
 
 

80. Agar-agar is obtained from:

 
 
 
 

81. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Spirogyra represents the :

 
 
 
 

86. Each chloroplast in Spirogyra bears :