Quiz_Algae

1. Which of the following is a parasitic algae?

 
 
 
 

2. Each chloroplast in Spirogyra bears :

 
 
 
 

3. Which group of algae have an incipient nucleus?

 
 
 
 

4. Choose the correct statement about Spirogyra:

 
 
 
 

5. Cap cells are found in the filament of:

 
 
 
 

6. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

7. Water-net is the name of:

 
 
 
 

8. Nannandria are:

 
 
 
 

9. True sexuality is not found in:

 
 
 
 

10. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

12. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

19. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

21. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Heterotrichous habit means :

 
 
 
 

26. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

28. The chloroplast of Chlamydomonas are:

 
 
 
 

29. Agar-agar is obtained from:

 
 
 
 

30. Ectocarpus produces:

 
 
 
 

31. The chloroplast in Ulothrix is :

 
 
 
 

32. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The word “sea weeds” is used for:

 
 
 
 

36. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

38. Mostly type of zygospore in Ulothrix is:

 
 
 
 

39. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Which of the following have algal zone?

 
 
 
 

45. Isomorphic type alternation of generation is found in:

 
 
 
 

46. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

52. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

58. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

64. All algae have:

 
 
 
 

65. One of the distinctive feature of Spirogyra is :

 
 
 
 

66. Water bloom is generally caused by :

 
 
 
 

67. Which one of the following statement is wrong?

 
 
 
 

68. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

74. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

76. The flagella of Chlamydomonas are:

 
 
 
 

77. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Most of the algae are :

 
 
 
 

82. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. An alga which is rich in proteins:

 
 
 
 

86. Redness of red sea is due to :