Quiz_Algae

1. The word “sea weeds” is used for:

 
 
 
 

2. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

4. The zoospores of Ulothrix are :

 
 
 
 

5. Among the algae kelps are :

 
 
 
 

6. The alga, Spirogyra are found in :

 
 
 
 

7. Heterotrichous habit means :

 
 
 
 

8. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

10. The largest alga is:

 
 
 
 

11. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

13. Isomorphic type alternation of generation is found in:

 
 
 
 

14. An alga which is rich in proteins:

 
 
 
 

15. Synzoospore is produced in:

 
 
 
 

16. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

18. Which one of the following statement is wrong?

 
 
 
 

19. One of the distinctive feature of Spirogyra is :

 
 
 
 

20. Asexual reproductive body of Volvox is called:

 
 
 
 

21. Antibiotic has been extracted from :

 
 
 
 

22. Mostly type of zygospore in Ulothrix is:

 
 
 
 

23. Which of the following have a prokaryotic cell?

 
 
 
 

24. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

26. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Which group of algae have an incipient nucleus?

 
 
 
 

30. Heterocysts are found in :

 
 
 
 

31. Spirogyra represents the :

 
 
 
 

32. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Which of the following have algal zone?

 
 
 
 

43. Redness of red sea is due to :

 
 
 
 

44. Choose the correct statement about Spirogyra:

 
 
 
 

45. Ulothrix produces :

 
 
 
 

46. Cap cells are found in the filament of:

 
 
 
 

47. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. All algae have:

 
 
 
 

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

 
 
 
 

52. Which of the following shows heterotrichous habit?

 
 
 
 

53. Iodine is obtained from :

 
 
 
 

54. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which of the following is a parasitic algae?

 
 
 
 

67. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

69. What are Cyanobacteria?

 
 
 
 

70. Most of the algae are :

 
 
 
 

71. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

83. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

85. The flagella of Chlamydomonas are:

 
 
 
 

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