Quiz_Algae

1. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

3. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

5. Which one of the following statement is wrong?

 
 
 
 

6. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

8. One of the distinctive feature of Spirogyra is :

 
 
 
 

9. Among the algae kelps are :

 
 
 
 

10. Most of the algae are :

 
 
 
 

11. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

13. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. All algae have:

 
 
 
 

20. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Choose the correct statement about Spirogyra:

 
 
 
 

25. Antibiotic has been extracted from :

 
 
 
 

26. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

32. Mostly type of zygospore in Ulothrix is:

 
 
 
 

33. Water-net is the name of:

 
 
 
 

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

 
 
 
 

35. The word “sea weeds” is used for:

 
 
 
 

36. Which group of algae have an incipient nucleus?

 
 
 
 

37. Synzoospore is produced in:

 
 
 
 

38. An alga which is rich in proteins:

 
 
 
 

39. Meiosis in Ulothrix takes place:

 
 
 
 

40. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

48. Heterotrichous habit means :

 
 
 
 

49. The largest alga is:

 
 
 
 

50. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

52. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

53. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

54. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

56. Water bloom is generally caused by :

 
 
 
 

57. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

59. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Iodine is obtained from :

 
 
 
 

64. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. The alga, Spirogyra are found in :

 
 
 
 

69. Which of the following shows heterotrichous habit?

 
 
 
 

70. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. What are Cyanobacteria?

 
 
 
 

74. Which of the following is a parasitic algae?

 
 
 
 

75. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

77. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. The chloroplast of Chlamydomonas are: