Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Redness of red sea is due to :

 
 
 
 

5. Which of the following shows heterotrichous habit?

 
 
 
 

6. Water-net is the name of:

 
 
 
 

7. Which group of algae have an incipient nucleus?

 
 
 
 

8. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

13. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Each chloroplast in Spirogyra bears :

 
 
 
 

20. Which one of the following statement is wrong?

 
 
 
 

21. Ulothrix produces :

 
 
 
 

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

 
 
 
 

23. Nannandria are:

 
 
 
 

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

 
 
 
 

25. Which of the following is a parasitic algae?

 
 
 
 

26. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

27. Spirogyra represents the :

 
 
 
 

28. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Most common type of conjugation in Spirogyra is :

 
 
 
 

33. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Mostly type of zygospore in Ulothrix is:

 
 
 
 

38. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Which of the following have algal zone?

 
 
 
 

44. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

46. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

51. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

53. Most of the algae are :

 
 
 
 

54. Synzoospore is produced in:

 
 
 
 

55. The flagella of Chlamydomonas are:

 
 
 
 

56. Agar-agar is obtained from:

 
 
 
 

57. The largest alga is:

 
 
 
 

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

 
 
 
 

59. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Choose the correct statement about Spirogyra:

 
 
 
 

63. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

65. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

72. Water bloom is generally caused by :

 
 
 
 

73. Heterotrichous habit means :

 
 
 
 

74. One of the distinctive feature of Spirogyra is :

 
 
 
 

75. Antibiotic has been extracted from :

 
 
 
 

76. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

78. The zoospores of Ulothrix are :

 
 
 
 

79. All algae have:

 
 
 
 

80. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. What are Cyanobacteria?

 
 
 
 

85. Meiosis in Ulothrix takes place:

 
 
 
 

86. Which of the following have a prokaryotic cell?