Quiz_Algae

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

 
 
 
 

2. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

11. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

19. Synzoospore is produced in:

 
 
 
 

20. Water-net is the name of:

 
 
 
 

21. Asexual reproductive body of Volvox is called:

 
 
 
 

22. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

24. Redness of red sea is due to :

 
 
 
 

25. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Cap cells are found in the filament of:

 
 
 
 

31. Each chloroplast in Spirogyra bears :

 
 
 
 

32. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Which fixes atmospheric nitrogen?

 
 
 
 

37. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

38. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. True sexuality is not found in:

 
 
 
 

42. Most of the algae are :

 
 
 
 

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

 
 
 
 

44. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

46. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

48. The zoospores of Ulothrix are :

 
 
 
 

49. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

54. The alga, Spirogyra are found in :

 
 
 
 

55. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

57. Heterocysts are found in :

 
 
 
 

58. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

60. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

62. All algae have:

 
 
 
 

63. Water bloom is generally caused by :

 
 
 
 

64. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

66. The chloroplast in Ulothrix is :

 
 
 
 

67. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. The flagella of Chlamydomonas are:

 
 
 
 

72. The chloroplast of Chlamydomonas are:

 
 
 
 

73. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

78. Which one of the following statement is wrong?

 
 
 
 

79. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

81. Which of the following have a prokaryotic cell?

 
 
 
 

82. Ectocarpus produces:

 
 
 
 

83. Spirogyra represents the :

 
 
 
 

84. Agar-agar is obtained from:

 
 
 
 

85. Antibiotic has been extracted from :

 
 
 
 

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