Quiz_Algae

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

 
 
 
 

2. Most common type of conjugation in Spirogyra is :

 
 
 
 

3. The largest alga is:

 
 
 
 

4. Synzoospore is produced in:

 
 
 
 

5. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

7. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Nannandria are:

 
 
 
 

11. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Iodine is obtained from:

 
 
 
 

18. Agar-agar is obtained from:

 
 
 
 

19. The chloroplast of Chlamydomonas are:

 
 
 
 

20. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Each chloroplast in Spirogyra bears :

 
 
 
 

32. Spirogyra represents the :

 
 
 
 

33. Which of the following have a prokaryotic cell?

 
 
 
 

34. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

36. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

38. All algae have:

 
 
 
 

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

 
 
 
 

40. Mostly type of zygospore in Ulothrix is:

 
 
 
 

41. Heterotrichous habit means :

 
 
 
 

42. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. What are Cyanobacteria?

 
 
 
 

47. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. The word “sea weeds” is used for:

 
 
 
 

53. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

54. The chloroplast in Ulothrix is :

 
 
 
 

55. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Antibiotic has been extracted from :

 
 
 
 

59. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Which of the following have algal zone?

 
 
 
 

63. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

65. One of the distinctive feature of Spirogyra is :

 
 
 
 

66. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Among the algae kelps are :

 
 
 
 

72. Which fixes atmospheric nitrogen?

 
 
 
 

73. The zoospores of Ulothrix are :

 
 
 
 

74. Ectocarpus produces:

 
 
 
 

75. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. An alga which is rich in proteins:

 
 
 
 

79. Which one of the following statement is wrong?

 
 
 
 

80. True sexuality is not found in:

 
 
 
 

81. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

86. Asexual reproductive body of Volvox is called: