Quiz_Algae

1. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. The flagella of Chlamydomonas are:

 
 
 
 

5. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

14. Each chloroplast in Spirogyra bears :

 
 
 
 

15. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

17. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

30. The chloroplast of Chlamydomonas are:

 
 
 
 

31. Water bloom is generally caused by :

 
 
 
 

32. Choose the correct statement about Spirogyra:

 
 
 
 

33. Nannandria are:

 
 
 
 

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

 
 
 
 

35. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. The word “sea weeds” is used for:

 
 
 
 

39. Which of the following is a parasitic algae?

 
 
 
 

40. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

42. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

44. The largest alga is:

 
 
 
 

45. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

46. Which group of algae have an incipient nucleus?

 
 
 
 

47. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

49. The alga, Spirogyra are found in :

 
 
 
 

50. Which of the following have algal zone?

 
 
 
 

51. Iodine is obtained from:

 
 
 
 

52. The chloroplast in Ulothrix is :

 
 
 
 

53. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

55. Most of the algae are :

 
 
 
 

56. Cap cells are found in the filament of:

 
 
 
 

57. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

66. One of the distinctive feature of Spirogyra is :

 
 
 
 

67. Meiosis in Ulothrix takes place:

 
 
 
 

68. What are Cyanobacteria?

 
 
 
 

69. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

71. Which of the following shows heterotrichous habit?

 
 
 
 

72. Heterocysts are found in :

 
 
 
 

73. All algae have:

 
 
 
 

74. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

76. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

78. Water-net is the name of:

 
 
 
 

79. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. True sexuality is not found in: