Quiz_Algae

1. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Iodine is obtained from :

 
 
 
 

5. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

7. Spirogyra represents the :

 
 
 
 

8. Antibiotic has been extracted from :

 
 
 
 

9. The chloroplast in Ulothrix is :

 
 
 
 

10. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

12. Isomorphic type alternation of generation is found in:

 
 
 
 

13. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

21. Nannandria are:

 
 
 
 

22. Most of the algae are :

 
 
 
 

23. Which of the following have a prokaryotic cell?

 
 
 
 

24. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

30. The chloroplast of Chlamydomonas are:

 
 
 
 

31. The largest alga is:

 
 
 
 

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

 
 
 
 

33. What are Cyanobacteria?

 
 
 
 

34. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

36. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Redness of red sea is due to :

 
 
 
 

40. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

42. Which of the following is a parasitic algae?

 
 
 
 

43. The flagella of Chlamydomonas are:

 
 
 
 

44. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

49. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Water bloom is generally caused by :

 
 
 
 

56. Each chloroplast in Spirogyra bears :

 
 
 
 

57. All algae have:

 
 
 
 

58. True sexuality is not found in:

 
 
 
 

59. Iodine is obtained from:

 
 
 
 

60. Mostly type of zygospore in Ulothrix is:

 
 
 
 

61. Which group of algae have an incipient nucleus?

 
 
 
 

62. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Water-net is the name of:

 
 
 
 

66. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Most common type of conjugation in Spirogyra is :

 
 
 
 

70. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

72. The zoospores of Ulothrix are :

 
 
 
 

73. Which one of the following statement is wrong?

 
 
 
 

74. Meiosis in Ulothrix takes place:

 
 
 
 

75. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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