Quiz_Algae

1. Heterocysts are found in :

 
 
 
 

2. Which of the following have algal zone?

 
 
 
 

3. Redness of red sea is due to :

 
 
 
 

4. The zoospores of Ulothrix are :

 
 
 
 

5. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Antibiotic has been extracted from :

 
 
 
 

9. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Water bloom is generally caused by :

 
 
 
 

13. Ectocarpus produces:

 
 
 
 

14. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

16. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

18. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. What are Cyanobacteria?

 
 
 
 

22. Among the algae kelps are :

 
 
 
 

23. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Which group of algae have an incipient nucleus?

 
 
 
 

30. Spirogyra represents the :

 
 
 
 

31. Ulothrix produces :

 
 
 
 

32. The largest alga is:

 
 
 
 

33. Asexual reproductive body of Volvox is called:

 
 
 
 

34. Cap cells are found in the filament of:

 
 
 
 

35. An alga which is rich in proteins:

 
 
 
 

36. Meiosis in Ulothrix takes place:

 
 
 
 

37. The word “sea weeds” is used for:

 
 
 
 

38. Which of the following is a parasitic algae?

 
 
 
 

39. Nannandria are:

 
 
 
 

40. Isomorphic type alternation of generation is found in:

 
 
 
 

41. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

43. Heterotrichous habit means :

 
 
 
 

44. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Which fixes atmospheric nitrogen?

 
 
 
 

57. Mostly type of zygospore in Ulothrix is:

 
 
 
 

58. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which one of the following statement is wrong?

 
 
 
 

67. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

69. Most of the algae are :

 
 
 
 

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

 
 
 
 

71. The flagella of Chlamydomonas are:

 
 
 
 

72. The chloroplast in Ulothrix is :

 
 
 
 

73. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. True sexuality is not found in:

 
 
 
 

81. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

83. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

85. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

86. Synzoospore is produced in: