Quiz_Algae

1. Which of the following is a parasitic algae?

 
 
 
 

2. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

4. Antibiotic has been extracted from :

 
 
 
 

5. Cap cells are found in the filament of:

 
 
 
 

6. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

11. Among the algae kelps are :

 
 
 
 

12. Which fixes atmospheric nitrogen?

 
 
 
 

13. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

15. Most of the algae are :

 
 
 
 

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

 
 
 
 

17. Agar-agar is obtained from:

 
 
 
 

18. The chloroplast of Chlamydomonas are:

 
 
 
 

19. Spirogyra represents the :

 
 
 
 

20. Water-net is the name of:

 
 
 
 

21. Which of the following shows heterotrichous habit?

 
 
 
 

22. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

24. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

26. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Water bloom is generally caused by :

 
 
 
 

34. The largest alga is:

 
 
 
 

35. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

37. Meiosis in Ulothrix takes place:

 
 
 
 

38. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

46. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

48. Most common type of conjugation in Spirogyra is :

 
 
 
 

49. Ulothrix produces :

 
 
 
 

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

 
 
 
 

51. The alga, Spirogyra are found in :

 
 
 
 

52. Mostly type of zygospore in Ulothrix is:

 
 
 
 

53. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Which of the following have a prokaryotic cell?

 
 
 
 

66. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

67. Ectocarpus produces:

 
 
 
 

68. Iodine is obtained from:

 
 
 
 

69. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Which of the following have algal zone?

 
 
 
 

77. One of the distinctive feature of Spirogyra is :

 
 
 
 

78. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

80. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. All algae have:

 
 
 
 

84. True sexuality is not found in:

 
 
 
 

85. The flagella of Chlamydomonas are:

 
 
 
 

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