Quiz_Algae

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

 
 
 
 

2. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. The chloroplast of Chlamydomonas are:

 
 
 
 

6. Most common type of conjugation in Spirogyra is :

 
 
 
 

7. Ulothrix produces :

 
 
 
 

8. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

10. Which fixes atmospheric nitrogen?

 
 
 
 

11. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

13. Meiosis in Ulothrix takes place:

 
 
 
 

14. Each chloroplast in Spirogyra bears :

 
 
 
 

15. Heterotrichous habit means :

 
 
 
 

16. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

18. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

20. Asexual reproductive body of Volvox is called:

 
 
 
 

21. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

28. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

30. The zoospores of Ulothrix are :

 
 
 
 

31. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

32. Which of the following have algal zone?

 
 
 
 

33. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. One of the distinctive feature of Spirogyra is :

 
 
 
 

40. Water bloom is generally caused by :

 
 
 
 

41. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

43. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

44. An alga which is rich in proteins:

 
 
 
 

45. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

47. Which one of the following statement is wrong?

 
 
 
 

48. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. The largest alga is:

 
 
 
 

53. Mostly type of zygospore in Ulothrix is:

 
 
 
 

54. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

61. Nannandria are:

 
 
 
 

62. Cap cells are found in the filament of:

 
 
 
 

63. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

65. Most of the algae are :

 
 
 
 

66. Spirogyra represents the :

 
 
 
 

67. The alga, Spirogyra are found in :

 
 
 
 

68. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

70. Which of the following have a prokaryotic cell?

 
 
 
 

71. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

77. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

79. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Which group of algae have an incipient nucleus?