Quiz_Algae

1. Which group of algae have an incipient nucleus?

 
 
 
 

2. Which of the following have algal zone?

 
 
 
 

3. Ulothrix produces :

 
 
 
 

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

 
 
 
 

5. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. The alga, Spirogyra are found in :

 
 
 
 

13. Ectocarpus produces:

 
 
 
 

14. Which of the following shows heterotrichous habit?

 
 
 
 

15. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

17. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Each chloroplast in Spirogyra bears :

 
 
 
 

21. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

26. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Agar-agar is obtained from:

 
 
 
 

30. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

32. Cap cells are found in the filament of:

 
 
 
 

33. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Which fixes atmospheric nitrogen?

 
 
 
 

41. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

43. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The word “sea weeds” is used for:

 
 
 
 

48. Iodine is obtained from :

 
 
 
 

49. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Which of the following have a prokaryotic cell?

 
 
 
 

55. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. An alga which is rich in proteins:

 
 
 
 

59. Water-net is the name of:

 
 
 
 

60. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

61. Which of the following is a parasitic algae?

 
 
 
 

62. Antibiotic has been extracted from :

 
 
 
 

63. The chloroplast of Chlamydomonas are:

 
 
 
 

64. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

65. What are Cyanobacteria?

 
 
 
 

66. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Among the algae kelps are :

 
 
 
 

70. Meiosis in Ulothrix takes place:

 
 
 
 

71. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

73. True sexuality is not found in:

 
 
 
 

74. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. The chloroplast in Ulothrix is :

 
 
 
 

79. One of the distinctive feature of Spirogyra is :

 
 
 
 

80. Most common type of conjugation in Spirogyra is :

 
 
 
 

81. The largest alga is:

 
 
 
 

82. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

84. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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