Quiz_Algae

1. Among the algae kelps are :

 
 
 
 

2. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

21. Water-net is the name of:

 
 
 
 

22. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

24. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

26. Which group of algae have an incipient nucleus?

 
 
 
 

27. Which of the following have algal zone?

 
 
 
 

28. Antibiotic has been extracted from :

 
 
 
 

29. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

31. The largest alga is:

 
 
 
 

32. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Most common type of conjugation in Spirogyra is :

 
 
 
 

36. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Each chloroplast in Spirogyra bears :

 
 
 
 

40. Agar-agar is obtained from:

 
 
 
 

41. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Meiosis in Ulothrix takes place:

 
 
 
 

45. Mostly type of zygospore in Ulothrix is:

 
 
 
 

46. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

48. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

50. Asexual reproductive body of Volvox is called:

 
 
 
 

51. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

53. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

55. Ulothrix produces :

 
 
 
 

56. Heterocysts are found in :

 
 
 
 

57. Most of the algae are :

 
 
 
 

58. The alga, Spirogyra are found in :

 
 
 
 

59. Ectocarpus produces:

 
 
 
 

60. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

62. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which fixes atmospheric nitrogen?

 
 
 
 

67. Nannandria are:

 
 
 
 

68. Which of the following have a prokaryotic cell?

 
 
 
 

69. Spirogyra represents the :

 
 
 
 

70. The chloroplast in Ulothrix is :

 
 
 
 

71. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

73. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

74. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

75. All algae have:

 
 
 
 

76. Redness of red sea is due to :

 
 
 
 

77. Cap cells are found in the filament of:

 
 
 
 

78. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. The flagella of Chlamydomonas are:

 
 
 
 

83. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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