Quiz_Algae

1. Which of the following shows heterotrichous habit?

 
 
 
 

2. The word “sea weeds” is used for:

 
 
 
 

3. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Which fixes atmospheric nitrogen?

 
 
 
 

8. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

10. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

12. Synzoospore is produced in:

 
 
 
 

13. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

15. The alga, Spirogyra are found in :

 
 
 
 

16. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

24. Most of the algae are :

 
 
 
 

25. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

27. Water-net is the name of:

 
 
 
 

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

 
 
 
 

29. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

36. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Which of the following have a prokaryotic cell?

 
 
 
 

42. Spirogyra represents the :

 
 
 
 

43. Meiosis in Ulothrix takes place:

 
 
 
 

44. Nannandria are:

 
 
 
 

45. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Ectocarpus produces:

 
 
 
 

51. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

58. Iodine is obtained from :

 
 
 
 

59. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

60. An alga which is rich in proteins:

 
 
 
 

61. Which of the following have algal zone?

 
 
 
 

62. Cap cells are found in the filament of:

 
 
 
 

63. Among the algae kelps are :

 
 
 
 

64. Which group of algae have an incipient nucleus?

 
 
 
 

65. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

66. The zoospores of Ulothrix are :

 
 
 
 

67. Heterocysts are found in :

 
 
 
 

68. The flagella of Chlamydomonas are:

 
 
 
 

69. All algae have:

 
 
 
 

70. Iodine is obtained from:

 
 
 
 

71. Antibiotic has been extracted from :

 
 
 
 

72. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Mostly type of zygospore in Ulothrix is:

 
 
 
 

79. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Which one of the following statement is wrong?

 
 
 
 

83. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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