Quiz_Algae

1. Which one of the following statement is wrong?

 
 
 
 

2. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

4. Iodine is obtained from:

 
 
 
 

5. An alga which is rich in proteins:

 
 
 
 

6. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Which of the following have a prokaryotic cell?

 
 
 
 

10. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Spirogyra represents the :

 
 
 
 

14. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

16. Nannandria are:

 
 
 
 

17. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

19. Mostly type of zygospore in Ulothrix is:

 
 
 
 

20. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

38. Which of the following shows heterotrichous habit?

 
 
 
 

39. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

40. The alga, Spirogyra are found in :

 
 
 
 

41. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

43. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

45. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

47. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

49. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

51. Synzoospore is produced in:

 
 
 
 

52. Cap cells are found in the filament of:

 
 
 
 

53. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

57. One of the distinctive feature of Spirogyra is :

 
 
 
 

58. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Iodine is obtained from :

 
 
 
 

63. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

65. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

67. Water-net is the name of:

 
 
 
 

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

 
 
 
 

69. Most of the algae are :

 
 
 
 

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

 
 
 
 

71. Which of the following have algal zone?

 
 
 
 

72. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Which group of algae have an incipient nucleus?

 
 
 
 

77. The flagella of Chlamydomonas are:

 
 
 
 

78. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

80. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

82. The word “sea weeds” is used for:

 
 
 
 

83. Ulothrix produces :

 
 
 
 

84. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

86. Redness of red sea is due to :