Quiz_Algae

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

 
 
 
 

2. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

4. The chloroplast of Chlamydomonas are:

 
 
 
 

5. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

7. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

16. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

22. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Mostly type of zygospore in Ulothrix is:

 
 
 
 

26. Among the algae kelps are :

 
 
 
 

27. Isomorphic type alternation of generation is found in:

 
 
 
 

28. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. The largest alga is:

 
 
 
 

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

 
 
 
 

35. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

36. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

38. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

43. What are Cyanobacteria?

 
 
 
 

44. Nannandria are:

 
 
 
 

45. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

47. Redness of red sea is due to :

 
 
 
 

48. Heterotrichous habit means :

 
 
 
 

49. Iodine is obtained from :

 
 
 
 

50. Which one of the following statement is wrong?

 
 
 
 

51. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Choose the correct statement about Spirogyra:

 
 
 
 

55. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

57. All algae have:

 
 
 
 

58. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Each chloroplast in Spirogyra bears :

 
 
 
 

62. The flagella of Chlamydomonas are:

 
 
 
 

63. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

65. Water bloom is generally caused by :

 
 
 
 

66. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

68. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

70. Cap cells are found in the filament of:

 
 
 
 

71. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

73. The alga, Spirogyra are found in :

 
 
 
 

74. Most of the algae are :

 
 
 
 

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

 
 
 
 

76. An alga which is rich in proteins:

 
 
 
 

77. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

79. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

81. Which fixes atmospheric nitrogen?

 
 
 
 

82. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Which of the following have a prokaryotic cell?

 
 
 
 

86. The zoospores of Ulothrix are :