Quiz_Algae

1. Iodine is obtained from :

 
 
 
 

2. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. All algae have:

 
 
 
 

6. Each chloroplast in Spirogyra bears :

 
 
 
 

7. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

9. Mostly type of zygospore in Ulothrix is:

 
 
 
 

10. Which of the following have a prokaryotic cell?

 
 
 
 

11. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

16. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

18. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

19. The zoospores of Ulothrix are :

 
 
 
 

20. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Asexual reproductive body of Volvox is called:

 
 
 
 

28. The largest alga is:

 
 
 
 

29. Ulothrix produces :

 
 
 
 

30. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

34. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Heterotrichous habit means :

 
 
 
 

38. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

40. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. True sexuality is not found in:

 
 
 
 

45. Which one of the following statement is wrong?

 
 
 
 

46. Redness of red sea is due to :

 
 
 
 

47. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

49. Nannandria are:

 
 
 
 

50. The word “sea weeds” is used for:

 
 
 
 

51. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

53. The alga, Spirogyra are found in :

 
 
 
 

54. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Which fixes atmospheric nitrogen?

 
 
 
 

61. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. One of the distinctive feature of Spirogyra is :

 
 
 
 

70. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

72. Isomorphic type alternation of generation is found in:

 
 
 
 

73. Meiosis in Ulothrix takes place:

 
 
 
 

74. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Water-net is the name of:

 
 
 
 

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

 
 
 
 

82. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

84. Most of the algae are :

 
 
 
 

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

 
 
 
 

86. Heterocysts are found in :