Quiz_Algae

1. The largest alga is:

 
 
 
 

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

 
 
 
 

3. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

5. The chloroplast in Ulothrix is :

 
 
 
 

6. Agar-agar is obtained from:

 
 
 
 

7. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

9. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Mostly type of zygospore in Ulothrix is:

 
 
 
 

15. One of the distinctive feature of Spirogyra is :

 
 
 
 

16. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

18. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

20. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Water-net is the name of:

 
 
 
 

25. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Most common type of conjugation in Spirogyra is :

 
 
 
 

29. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

30. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

32. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

34. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

36. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

38. Ulothrix produces :

 
 
 
 

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

 
 
 
 

40. The word “sea weeds” is used for:

 
 
 
 

41. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

43. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

45. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

50. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Which group of algae have an incipient nucleus?

 
 
 
 

56. The alga, Spirogyra are found in :

 
 
 
 

57. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

59. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Ectocarpus produces:

 
 
 
 

64. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Which of the following shows heterotrichous habit?

 
 
 
 

68. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

70. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

72. Iodine is obtained from :

 
 
 
 

73. What are Cyanobacteria?

 
 
 
 

74. Most of the algae are :

 
 
 
 

75. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Nannandria are:

 
 
 
 

79. Spirogyra represents the :

 
 
 
 

80. True sexuality is not found in:

 
 
 
 

81. The flagella of Chlamydomonas are:

 
 
 
 

82. Which of the following is a parasitic algae?

 
 
 
 

83. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

85. Which fixes atmospheric nitrogen?

 
 
 
 

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