Quiz_Algae

1. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Iodine is obtained from:

 
 
 
 

14. The zoospores of Ulothrix are :

 
 
 
 

15. Heterocysts are found in :

 
 
 
 

16. Nannandria are:

 
 
 
 

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

 
 
 
 

18. Which of the following have a prokaryotic cell?

 
 
 
 

19. Redness of red sea is due to :

 
 
 
 

20. The chloroplast of Chlamydomonas are:

 
 
 
 

21. Most of the algae are :

 
 
 
 

22. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

23. Each chloroplast in Spirogyra bears :

 
 
 
 

24. Isomorphic type alternation of generation is found in:

 
 
 
 

25. Mostly type of zygospore in Ulothrix is:

 
 
 
 

26. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

28. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

30. Which of the following is a parasitic algae?

 
 
 
 

31. Meiosis in Ulothrix takes place:

 
 
 
 

32. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

34. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

36. Ulothrix produces :

 
 
 
 

37. Antibiotic has been extracted from :

 
 
 
 

38. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

40. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

42. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

44. What are Cyanobacteria?

 
 
 
 

45. The largest alga is:

 
 
 
 

46. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. The chloroplast in Ulothrix is :

 
 
 
 

55. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

61. Synzoospore is produced in:

 
 
 
 

62. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

64. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

72. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

77. Among the algae kelps are :

 
 
 
 

78. The word “sea weeds” is used for:

 
 
 
 

79. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

81. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Choose the correct statement about Spirogyra:

 
 
 
 

85. Agar-agar is obtained from:

 
 
 
 

86. Ectocarpus produces: