Quiz_Algae

1. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

2. Spirogyra represents the :

 
 
 
 

3. Agar-agar is obtained from:

 
 
 
 

4. Redness of red sea is due to :

 
 
 
 

5. The chloroplast of Chlamydomonas are:

 
 
 
 

6. The largest alga is:

 
 
 
 

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

 
 
 
 

8. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

14. Which group of algae have an incipient nucleus?

 
 
 
 

15. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

17. The alga, Spirogyra are found in :

 
 
 
 

18. An alga which is rich in proteins:

 
 
 
 

19. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

21. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

23. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Ulothrix produces :

 
 
 
 

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

 
 
 
 

28. Most common type of conjugation in Spirogyra is :

 
 
 
 

29. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Antibiotic has been extracted from :

 
 
 
 

34. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

36. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

38. Ectocarpus produces:

 
 
 
 

39. Iodine is obtained from :

 
 
 
 

40. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

42. Meiosis in Ulothrix takes place:

 
 
 
 

43. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

45. Asexual reproductive body of Volvox is called:

 
 
 
 

46. What are Cyanobacteria?

 
 
 
 

47. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Most of the algae are :

 
 
 
 

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

 
 
 
 

53. True sexuality is not found in:

 
 
 
 

54. Nannandria are:

 
 
 
 

55. The chloroplast in Ulothrix is :

 
 
 
 

56. Heterotrichous habit means :

 
 
 
 

57. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Which of the following have algal zone?

 
 
 
 

66. Mostly type of zygospore in Ulothrix is:

 
 
 
 

67. All algae have:

 
 
 
 

68. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

74. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

76. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Each chloroplast in Spirogyra bears :

 
 
 
 

83. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

84. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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