Quiz_Algae

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

 
 
 
 

2. Water-net is the name of:

 
 
 
 

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

 
 
 
 

4. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

6. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Most common type of conjugation in Spirogyra is :

 
 
 
 

12. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

18. Which fixes atmospheric nitrogen?

 
 
 
 

19. Mostly type of zygospore in Ulothrix is:

 
 
 
 

20. Among the algae kelps are :

 
 
 
 

21. Asexual reproductive body of Volvox is called:

 
 
 
 

22. Which of the following have algal zone?

 
 
 
 

23. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

25. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

30. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

32. What are Cyanobacteria?

 
 
 
 

33. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

35. Redness of red sea is due to :

 
 
 
 

36. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

38. Antibiotic has been extracted from :

 
 
 
 

39. The largest alga is:

 
 
 
 

40. Synzoospore is produced in:

 
 
 
 

41. One of the distinctive feature of Spirogyra is :

 
 
 
 

42. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

44. Ulothrix produces :

 
 
 
 

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

 
 
 
 

46. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

48. Ectocarpus produces:

 
 
 
 

49. Most of the algae are :

 
 
 
 

50. True sexuality is not found in:

 
 
 
 

51. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

53. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

62. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Iodine is obtained from :

 
 
 
 

66. Meiosis in Ulothrix takes place:

 
 
 
 

67. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Which of the following have a prokaryotic cell?

 
 
 
 

71. Which of the following shows heterotrichous habit?

 
 
 
 

72. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Agar-agar is obtained from:

 
 
 
 

76. Which group of algae have an incipient nucleus?

 
 
 
 

77. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Nannandria are:

 
 
 
 

82. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

84. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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