Quiz_Algae

1. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

3. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Which of the following shows heterotrichous habit?

 
 
 
 

7. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Most common type of conjugation in Spirogyra is :

 
 
 
 

11. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

16. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

18. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

20. Cap cells are found in the filament of:

 
 
 
 

21. The chloroplast in Ulothrix is :

 
 
 
 

22. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

24. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

34. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

36. Isomorphic type alternation of generation is found in:

 
 
 
 

37. Meiosis in Ulothrix takes place:

 
 
 
 

38. Water-net is the name of:

 
 
 
 

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

 
 
 
 

40. Nannandria are:

 
 
 
 

41. The word “sea weeds” is used for:

 
 
 
 

42. Which of the following have algal zone?

 
 
 
 

43. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

45. Synzoospore is produced in:

 
 
 
 

46. Antibiotic has been extracted from :

 
 
 
 

47. Redness of red sea is due to :

 
 
 
 

48. All algae have:

 
 
 
 

49. Ulothrix produces :

 
 
 
 

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

 
 
 
 

51. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

53. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Mostly type of zygospore in Ulothrix is:

 
 
 
 

62. True sexuality is not found in:

 
 
 
 

63. The zoospores of Ulothrix are :

 
 
 
 

64. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

66. Most of the algae are :

 
 
 
 

67. Among the algae kelps are :

 
 
 
 

68. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Which one of the following statement is wrong?

 
 
 
 

72. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. The flagella of Chlamydomonas are:

 
 
 
 

77. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

79. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Asexual reproductive body of Volvox is called:

 
 
 
 

83. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. The largest alga is: