Quiz_Algae

1. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

6. Most common type of conjugation in Spirogyra is :

 
 
 
 

7. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

9. Redness of red sea is due to :

 
 
 
 

10. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. All algae have:

 
 
 
 

14. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

16. Which of the following have a prokaryotic cell?

 
 
 
 

17. Nannandria are:

 
 
 
 

18. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. The chloroplast in Ulothrix is :

 
 
 
 

23. Choose the correct statement about Spirogyra:

 
 
 
 

24. The word “sea weeds” is used for:

 
 
 
 

25. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which fixes atmospheric nitrogen?

 
 
 
 

31. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

36. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

38. Ulothrix produces :

 
 
 
 

39. Isomorphic type alternation of generation is found in:

 
 
 
 

40. Agar-agar is obtained from:

 
 
 
 

41. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

43. What are Cyanobacteria?

 
 
 
 

44. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Mostly type of zygospore in Ulothrix is:

 
 
 
 

48. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

50. Ectocarpus produces:

 
 
 
 

51. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Meiosis in Ulothrix takes place:

 
 
 
 

55. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

62. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

63. Most of the algae are :

 
 
 
 

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

 
 
 
 

65. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

67. Antibiotic has been extracted from :

 
 
 
 

68. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

70. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

72. Among the algae kelps are :

 
 
 
 

73. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

75. The zoospores of Ulothrix are :

 
 
 
 

76. The chloroplast of Chlamydomonas are:

 
 
 
 

77. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. The largest alga is:

 
 
 
 

83. Which one of the following statement is wrong?

 
 
 
 

84. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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