Quiz_Algae

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

 
 
 
 

2. The chloroplast of Chlamydomonas are:

 
 
 
 

3. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

9. Heterotrichous habit means :

 
 
 
 

10. Which of the following shows heterotrichous habit?

 
 
 
 

11. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. The flagella of Chlamydomonas are:

 
 
 
 

15. Which group of algae have an incipient nucleus?

 
 
 
 

16. Meiosis in Ulothrix takes place:

 
 
 
 

17. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. The largest alga is:

 
 
 
 

21. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

23. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

25. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

27. Choose the correct statement about Spirogyra:

 
 
 
 

28. One of the distinctive feature of Spirogyra is :

 
 
 
 

29. Water bloom is generally caused by :

 
 
 
 

30. What are Cyanobacteria?

 
 
 
 

31. True sexuality is not found in:

 
 
 
 

32. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Iodine is obtained from :

 
 
 
 

38. Each chloroplast in Spirogyra bears :

 
 
 
 

39. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

45. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Redness of red sea is due to :

 
 
 
 

51. Which of the following is a parasitic algae?

 
 
 
 

52. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

54. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

56. Isomorphic type alternation of generation is found in:

 
 
 
 

57. All algae have:

 
 
 
 

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

 
 
 
 

59. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

68. Among the algae kelps are :

 
 
 
 

69. Nannandria are:

 
 
 
 

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

 
 
 
 

71. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

72. Spirogyra represents the :

 
 
 
 

73. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

75. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

76. Most of the algae are :

 
 
 
 

77. Iodine is obtained from:

 
 
 
 

78. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Which of the following have a prokaryotic cell?

 
 
 
 

86. Which of the following have algal zone?