Quiz_Algae

1. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. All algae have:

 
 
 
 

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

 
 
 
 

6. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

7. Iodine is obtained from :

 
 
 
 

8. Meiosis in Ulothrix takes place:

 
 
 
 

9. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

11. Iodine is obtained from:

 
 
 
 

12. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

14. Water-net is the name of:

 
 
 
 

15. Each chloroplast in Spirogyra bears :

 
 
 
 

16. True sexuality is not found in:

 
 
 
 

17. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

22. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. One of the distinctive feature of Spirogyra is :

 
 
 
 

28. Choose the correct statement about Spirogyra:

 
 
 
 

29. Ulothrix produces :

 
 
 
 

30. The flagella of Chlamydomonas are:

 
 
 
 

31. Spirogyra represents the :

 
 
 
 

32. An alga which is rich in proteins:

 
 
 
 

33. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

35. The word “sea weeds” is used for:

 
 
 
 

36. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Heterotrichous habit means :

 
 
 
 

48. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

50. Which fixes atmospheric nitrogen?

 
 
 
 

51. Most of the algae are :

 
 
 
 

52. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

53. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Mostly type of zygospore in Ulothrix is:

 
 
 
 

58. Cap cells are found in the filament of:

 
 
 
 

59. Heterocysts are found in :

 
 
 
 

60. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Nannandria are:

 
 
 
 

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

 
 
 
 

70. The chloroplast in Ulothrix is :

 
 
 
 

71. Ectocarpus produces:

 
 
 
 

72. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

74. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

76. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

78. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

80. Among the algae kelps are :

 
 
 
 

81. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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