Quiz_Algae

1. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

2. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

4. Synzoospore is produced in:

 
 
 
 

5. Which fixes atmospheric nitrogen?

 
 
 
 

6. Iodine is obtained from :

 
 
 
 

7. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

15. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Among the algae kelps are :

 
 
 
 

19. Most of the algae are :

 
 
 
 

20. Asexual reproductive body of Volvox is called:

 
 
 
 

21. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

23. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

25. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

27. Most common type of conjugation in Spirogyra is :

 
 
 
 

28. Meiosis in Ulothrix takes place:

 
 
 
 

29. Redness of red sea is due to :

 
 
 
 

30. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. The zoospores of Ulothrix are :

 
 
 
 

34. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

36. The largest alga is:

 
 
 
 

37. Which of the following is a parasitic algae?

 
 
 
 

38. An alga which is rich in proteins:

 
 
 
 

39. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

41. Water bloom is generally caused by :

 
 
 
 

42. All algae have:

 
 
 
 

43. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Which of the following shows heterotrichous habit?

 
 
 
 

47. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

52. Ulothrix produces :

 
 
 
 

53. Iodine is obtained from:

 
 
 
 

54. The word “sea weeds” is used for:

 
 
 
 

55. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

57. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

59. Which of the following have a prokaryotic cell?

 
 
 
 

60. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

62. Cap cells are found in the filament of:

 
 
 
 

63. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

75. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Choose the correct statement about Spirogyra:

 
 
 
 

85. Which one of the following statement is wrong?

 
 
 
 

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