Quiz_Algae

1. The largest alga is:

 
 
 
 

2. Heterocysts are found in :

 
 
 
 

3. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Cap cells are found in the filament of:

 
 
 
 

8. Redness of red sea is due to :

 
 
 
 

9. Most common type of conjugation in Spirogyra is :

 
 
 
 

10. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

12. True sexuality is not found in:

 
 
 
 

13. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

18. Which of the following is a parasitic algae?

 
 
 
 

19. Which of the following have algal zone?

 
 
 
 

20. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

22. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

24. All algae have:

 
 
 
 

25. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

27. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

29. Isomorphic type alternation of generation is found in:

 
 
 
 

30. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

37. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Meiosis in Ulothrix takes place:

 
 
 
 

41. Water-net is the name of:

 
 
 
 

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

 
 
 
 

43. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

48. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

50. Ectocarpus produces:

 
 
 
 

51. Water bloom is generally caused by :

 
 
 
 

52. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Iodine is obtained from :

 
 
 
 

57. What are Cyanobacteria?

 
 
 
 

58. The flagella of Chlamydomonas are:

 
 
 
 

59. Asexual reproductive body of Volvox is called:

 
 
 
 

60. Which one of the following statement is wrong?

 
 
 
 

61. Antibiotic has been extracted from :

 
 
 
 

62. Each chloroplast in Spirogyra bears :

 
 
 
 

63. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Most of the algae are :

 
 
 
 

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

 
 
 
 

75. Iodine is obtained from:

 
 
 
 

76. Mostly type of zygospore in Ulothrix is:

 
 
 
 

77. Ulothrix produces :

 
 
 
 

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

 
 
 
 

79. The chloroplast of Chlamydomonas are:

 
 
 
 

80. Heterotrichous habit means :

 
 
 
 

81. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Choose the correct statement about Spirogyra:

 
 
 
 

86. Spirogyra represents the :