Quiz_Algae

1. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

3. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

5. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. The flagella of Chlamydomonas are:

 
 
 
 

10. Each chloroplast in Spirogyra bears :

 
 
 
 

11. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

13. The largest alga is:

 
 
 
 

14. Which of the following have algal zone?

 
 
 
 

15. Which of the following shows heterotrichous habit?

 
 
 
 

16. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Which group of algae have an incipient nucleus?

 
 
 
 

21. Which of the following is a parasitic algae?

 
 
 
 

22. Synzoospore is produced in:

 
 
 
 

23. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Most of the algae are :

 
 
 
 

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

 
 
 
 

30. Asexual reproductive body of Volvox is called:

 
 
 
 

31. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Most common type of conjugation in Spirogyra is :

 
 
 
 

45. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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. Meiosis in Ulothrix takes place:

 
 
 
 

49. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Ulothrix produces :

 
 
 
 

54. Water bloom is generally caused by :

 
 
 
 

55. Which of the following have a prokaryotic cell?

 
 
 
 

56. Nannandria are:

 
 
 
 

57. An alga which is rich in proteins:

 
 
 
 

58. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

60. All algae have:

 
 
 
 

61. Heterotrichous habit means :

 
 
 
 

62. Agar-agar is obtained from:

 
 
 
 

63. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

64. The zoospores of Ulothrix are :

 
 
 
 

65. The chloroplast of Chlamydomonas are:

 
 
 
 

66. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Which one of the following statement is wrong?

 
 
 
 

70. The alga, Spirogyra are found in :

 
 
 
 

71. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

76. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

77. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

79. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

81. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. The word “sea weeds” is used for:

 
 
 
 

86. Isomorphic type alternation of generation is found in: