Quiz_Algae

1. Mostly type of zygospore in Ulothrix is:

 
 
 
 

2. Which of the following have a prokaryotic cell?

 
 
 
 

3. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

8. Which of the following have algal zone?

 
 
 
 

9. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Meiosis in Ulothrix takes place:

 
 
 
 

13. An alga which is rich in proteins:

 
 
 
 

14. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. The alga, Spirogyra are found in :

 
 
 
 

21. Isomorphic type alternation of generation is found in:

 
 
 
 

22. The largest alga is:

 
 
 
 

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

 
 
 
 

24. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

26. Among the algae kelps are :

 
 
 
 

27. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. The zoospores of Ulothrix are :

 
 
 
 

32. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Water-net is the name of:

 
 
 
 

38. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

40. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

42. Which group of algae have an incipient nucleus?

 
 
 
 

43. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

48. Asexual reproductive body of Volvox is called:

 
 
 
 

49. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

51. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

52. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Ulothrix produces :

 
 
 
 

59. Which of the following is a parasitic algae?

 
 
 
 

60. Heterotrichous habit means :

 
 
 
 

61. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

63. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

64. Redness of red sea is due to :

 
 
 
 

65. Most of the algae are :

 
 
 
 

66. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

68. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Agar-agar is obtained from:

 
 
 
 

72. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. True sexuality is not found in:

 
 
 
 

76. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

81. The word “sea weeds” is used for:

 
 
 
 

82. Ectocarpus produces:

 
 
 
 

83. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

85. One of the distinctive feature of Spirogyra is :

 
 
 
 

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