Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Most of the algae are :

 
 
 
 

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

 
 
 
 

7. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Which one of the following statement is wrong?

 
 
 
 

11. The largest alga is:

 
 
 
 

12. Agar-agar is obtained from:

 
 
 
 

13. The chloroplast in Ulothrix is :

 
 
 
 

14. Which of the following have algal zone?

 
 
 
 

15. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

17. Synzoospore is produced in:

 
 
 
 

18. Nannandria are:

 
 
 
 

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

 
 
 
 

20. Heterocysts are found in :

 
 
 
 

21. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

22. Ulothrix produces :

 
 
 
 

23. Most common type of conjugation in Spirogyra is :

 
 
 
 

24. Redness of red sea is due to :

 
 
 
 

25. The flagella of Chlamydomonas are:

 
 
 
 

26. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

28. Mostly type of zygospore in Ulothrix is:

 
 
 
 

29. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

31. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

33. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. All algae have:

 
 
 
 

43. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

45. Spirogyra represents the :

 
 
 
 

46. Which fixes atmospheric nitrogen?

 
 
 
 

47. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

49. The word “sea weeds” is used for:

 
 
 
 

50. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Which of the following is a parasitic algae?

 
 
 
 

59. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. One of the distinctive feature of Spirogyra is :

 
 
 
 

68. Asexual reproductive body of Volvox is called:

 
 
 
 

69. What are Cyanobacteria?

 
 
 
 

70. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

72. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

76. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

78. Which of the following shows heterotrichous habit?

 
 
 
 

79. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Water-net is the name of:

 
 
 
 

84. Ectocarpus produces:

 
 
 
 

85. Among the algae kelps are :

 
 
 
 

86. Which group of algae have an incipient nucleus?