Quiz_Algae

1. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

3. An alga which is rich in proteins:

 
 
 
 

4. Which one of the following statement is wrong?

 
 
 
 

5. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

7. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

9. Meiosis in Ulothrix takes place:

 
 
 
 

10. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Spirogyra represents the :

 
 
 
 

15. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

16. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Most common type of conjugation in Spirogyra is :

 
 
 
 

22. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

24. Ulothrix produces :

 
 
 
 

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

 
 
 
 

26. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. True sexuality is not found in:

 
 
 
 

40. Which of the following is a parasitic algae?

 
 
 
 

41. Nannandria are:

 
 
 
 

42. Choose the correct statement about Spirogyra:

 
 
 
 

43. Synzoospore is produced in:

 
 
 
 

44. The chloroplast of Chlamydomonas are:

 
 
 
 

45. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Heterotrichous habit means :

 
 
 
 

49. Water bloom is generally caused by :

 
 
 
 

50. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Agar-agar is obtained from:

 
 
 
 

55. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

56. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

58. Among the algae kelps are :

 
 
 
 

59. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

65. The zoospores of Ulothrix are :

 
 
 
 

66. Iodine is obtained from:

 
 
 
 

67. Asexual reproductive body of Volvox is called:

 
 
 
 

68. Most of the algae are :

 
 
 
 

69. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

74. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Which fixes atmospheric nitrogen?

 
 
 
 

78. Antibiotic has been extracted from :

 
 
 
 

79. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

81. Iodine is obtained from :

 
 
 
 

82. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Isomorphic type alternation of generation is found in: