Quiz_Algae

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

 
 
 
 

2. Which one of the following statement is wrong?

 
 
 
 

3. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

13. The flagella of Chlamydomonas are:

 
 
 
 

14. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

16. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

18. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Nannandria are:

 
 
 
 

22. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Spirogyra represents the :

 
 
 
 

28. The largest alga is:

 
 
 
 

29. Synzoospore is produced in:

 
 
 
 

30. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

35. Cap cells are found in the filament of:

 
 
 
 

36. Most common type of conjugation in Spirogyra is :

 
 
 
 

37. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

39. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

40. Antibiotic has been extracted from :

 
 
 
 

41. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Isomorphic type alternation of generation is found in:

 
 
 
 

54. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

56. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

58. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

60. Water bloom is generally caused by :

 
 
 
 

61. One of the distinctive feature of Spirogyra is :

 
 
 
 

62. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

64. The alga, Spirogyra are found in :

 
 
 
 

65. Ulothrix produces :

 
 
 
 

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

 
 
 
 

67. Most of the algae are :

 
 
 
 

68. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

70. What are Cyanobacteria?

 
 
 
 

71. True sexuality is not found in:

 
 
 
 

72. Heterocysts are found in :

 
 
 
 

73. Heterotrichous habit means :

 
 
 
 

74. The word “sea weeds” is used for:

 
 
 
 

75. Which of the following have algal zone?

 
 
 
 

76. Which of the following shows heterotrichous habit?

 
 
 
 

77. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Mostly type of zygospore in Ulothrix is:

 
 
 
 

81. Which of the following have a prokaryotic cell?

 
 
 
 

82. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

84. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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