Quiz_Algae

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

 
 
 
 

2. Synzoospore is produced in:

 
 
 
 

3. Most common type of conjugation in Spirogyra is :

 
 
 
 

4. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

5. Which of the following shows heterotrichous habit?

 
 
 
 

6. Which one of the following statement is wrong?

 
 
 
 

7. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Nannandria are:

 
 
 
 

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

 
 
 
 

18. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

23. Each chloroplast in Spirogyra bears :

 
 
 
 

24. The chloroplast in Ulothrix is :

 
 
 
 

25. Water-net is the name of:

 
 
 
 

26. Most of the algae are :

 
 
 
 

27. Agar-agar is obtained from:

 
 
 
 

28. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

30. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

32. Choose the correct statement about Spirogyra:

 
 
 
 

33. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. All algae have:

 
 
 
 

37. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

42. Water bloom is generally caused by :

 
 
 
 

43. Iodine is obtained from:

 
 
 
 

44. The zoospores of Ulothrix are :

 
 
 
 

45. Which group of algae have an incipient nucleus?

 
 
 
 

46. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

54. Iodine is obtained from :

 
 
 
 

55. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. The word “sea weeds” is used for:

 
 
 
 

59. Which of the following is a parasitic algae?

 
 
 
 

60. Which fixes atmospheric nitrogen?

 
 
 
 

61. Isomorphic type alternation of generation is found in:

 
 
 
 

62. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. The chloroplast of Chlamydomonas are:

 
 
 
 

75. Which of the following have algal zone?

 
 
 
 

76. Ulothrix produces :

 
 
 
 

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

 
 
 
 

78. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Meiosis in Ulothrix takes place:

 
 
 
 

82. Heterocysts are found in :

 
 
 
 

83. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

85. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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