Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. The zoospores of Ulothrix are :

 
 
 
 

4. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

6. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

8. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

10. Iodine is obtained from :

 
 
 
 

11. Mostly type of zygospore in Ulothrix is:

 
 
 
 

12. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

14. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

15. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. The chloroplast of Chlamydomonas are:

 
 
 
 

20. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

22. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

27. Cap cells are found in the filament of:

 
 
 
 

28. All algae have:

 
 
 
 

29. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Water-net is the name of:

 
 
 
 

33. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

35. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

37. Antibiotic has been extracted from :

 
 
 
 

38. The flagella of Chlamydomonas are:

 
 
 
 

39. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

40. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Each chloroplast in Spirogyra bears :

 
 
 
 

44. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

46. Most of the algae are :

 
 
 
 

47. Which of the following is a parasitic algae?

 
 
 
 

48. True sexuality is not found in:

 
 
 
 

49. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Iodine is obtained from:

 
 
 
 

55. The alga, Spirogyra are found in :

 
 
 
 

56. The chloroplast in Ulothrix is :

 
 
 
 

57. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

59. The word “sea weeds” is used for:

 
 
 
 

60. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Ulothrix produces :

 
 
 
 

67. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Nannandria are:

 
 
 
 

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

 
 
 
 

72. Heterotrichous habit means :

 
 
 
 

73. Spirogyra represents the :

 
 
 
 

74. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Synzoospore is produced in:

 
 
 
 

78. Heterocysts are found in :

 
 
 
 

79. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

81. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Agar-agar is obtained from: