Quiz_Algae

1. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

3. Mostly type of zygospore in Ulothrix is:

 
 
 
 

4. Among the algae kelps are :

 
 
 
 

5. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

7. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

9. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

11. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

13. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

15. The alga, Spirogyra are found in :

 
 
 
 

16. Which group of algae have an incipient nucleus?

 
 
 
 

17. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. The chloroplast of Chlamydomonas are:

 
 
 
 

22. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

23. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

25. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

27. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Nannandria are:

 
 
 
 

31. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Which of the following have a prokaryotic cell?

 
 
 
 

35. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

42. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Which one of the following statement is wrong?

 
 
 
 

46. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

48. Iodine is obtained from:

 
 
 
 

49. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

51. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

59. The flagella of Chlamydomonas are:

 
 
 
 

60. The chloroplast in Ulothrix is :

 
 
 
 

61. The largest alga is:

 
 
 
 

62. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

64. Water-net is the name of:

 
 
 
 

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

 
 
 
 

66. Which of the following is a parasitic algae?

 
 
 
 

67. Which of the following have algal zone?

 
 
 
 

68. The zoospores of Ulothrix are :

 
 
 
 

69. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

75. Ulothrix produces :

 
 
 
 

76. Iodine is obtained from :

 
 
 
 

77. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

79. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

81. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

83. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Which fixes atmospheric nitrogen?