Quiz_Algae

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

 
 
 
 

2. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

4. Iodine is obtained from:

 
 
 
 

5. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

16. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

18. The zoospores of Ulothrix are :

 
 
 
 

19. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

21. The alga, Spirogyra are found in :

 
 
 
 

22. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

28. Mostly type of zygospore in Ulothrix is:

 
 
 
 

29. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

34. Each chloroplast in Spirogyra bears :

 
 
 
 

35. Which of the following have a prokaryotic cell?

 
 
 
 

36. An alga which is rich in proteins:

 
 
 
 

37. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. The flagella of Chlamydomonas are:

 
 
 
 

41. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Water bloom is generally caused by :

 
 
 
 

45. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Agar-agar is obtained from:

 
 
 
 

49. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

51. The word “sea weeds” is used for:

 
 
 
 

52. The chloroplast in Ulothrix is :

 
 
 
 

53. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

63. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

70. Synzoospore is produced in:

 
 
 
 

71. What are Cyanobacteria?

 
 
 
 

72. Most of the algae are :

 
 
 
 

73. Ectocarpus produces:

 
 
 
 

74. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. The largest alga is:

 
 
 
 

78. Water-net is the name of:

 
 
 
 

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

 
 
 
 

80. Heterocysts are found in :

 
 
 
 

81. Cap cells are found in the filament of:

 
 
 
 

82. Which one of the following statement is wrong?

 
 
 
 

83. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

84. Which of the following have algal zone?

 
 
 
 

85. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

86. Ulothrix produces :