Quiz_Algae

1. Iodine is obtained from :

 
 
 
 

2. Which fixes atmospheric nitrogen?

 
 
 
 

3. An alga which is rich in proteins:

 
 
 
 

4. Agar-agar is obtained from:

 
 
 
 

5. Ulothrix produces :

 
 
 
 

6. The zoospores of Ulothrix are :

 
 
 
 

7. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Synzoospore is produced in:

 
 
 
 

13. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. The largest alga is:

 
 
 
 

20. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Spirogyra represents the :

 
 
 
 

34. Antibiotic has been extracted from :

 
 
 
 

35. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

36. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

38. Isomorphic type alternation of generation is found in:

 
 
 
 

39. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

43. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Water-net is the name of:

 
 
 
 

60. Cap cells are found in the filament of:

 
 
 
 

61. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

63. Ectocarpus produces:

 
 
 
 

64. Nannandria are:

 
 
 
 

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

 
 
 
 

66. The word “sea weeds” is used for:

 
 
 
 

67. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

69. Asexual reproductive body of Volvox is called:

 
 
 
 

70. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

71. Each chloroplast in Spirogyra bears :

 
 
 
 

72. The chloroplast of Chlamydomonas are:

 
 
 
 

73. The flagella of Chlamydomonas are:

 
 
 
 

74. Which one of the following statement is wrong?

 
 
 
 

75. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

77. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

79. Redness of red sea is due to :

 
 
 
 

80. Most of the algae are :

 
 
 
 

81. The alga, Spirogyra are found in :

 
 
 
 

82. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

84. Choose the correct statement about Spirogyra:

 
 
 
 

85. Which of the following have algal zone?

 
 
 
 

86. The chloroplast in Ulothrix is :