Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. The chloroplast in Ulothrix is :

 
 
 
 

4. The alga, Spirogyra are found in :

 
 
 
 

5. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

6. Heterotrichous habit means :

 
 
 
 

7. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

13. Nannandria are:

 
 
 
 

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

 
 
 
 

15. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

17. Iodine is obtained from :

 
 
 
 

18. The zoospores of Ulothrix are :

 
 
 
 

19. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

21. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

23. Mostly type of zygospore in Ulothrix is:

 
 
 
 

24. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. All algae have:

 
 
 
 

32. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Spirogyra represents the :

 
 
 
 

37. The word “sea weeds” is used for:

 
 
 
 

38. Asexual reproductive body of Volvox is called:

 
 
 
 

39. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

47. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. What are Cyanobacteria?

 
 
 
 

52. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

54. Among the algae kelps are :

 
 
 
 

55. Water-net is the name of:

 
 
 
 

56. Choose the correct statement about Spirogyra:

 
 
 
 

57. Ulothrix produces :

 
 
 
 

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

 
 
 
 

59. One of the distinctive feature of Spirogyra is :

 
 
 
 

60. Isomorphic type alternation of generation is found in:

 
 
 
 

61. Each chloroplast in Spirogyra bears :

 
 
 
 

62. Which group of algae have an incipient nucleus?

 
 
 
 

63. Iodine is obtained from:

 
 
 
 

64. Most of the algae are :

 
 
 
 

65. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

67. Cap cells are found in the filament of:

 
 
 
 

68. An alga which is rich in proteins:

 
 
 
 

69. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Agar-agar is obtained from:

 
 
 
 

79. Which fixes atmospheric nitrogen?

 
 
 
 

80. Which of the following is a parasitic algae?

 
 
 
 

81. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

83. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Redness of red sea is due to :