Quiz_Algae

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

 
 
 
 

2. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Most common type of conjugation in Spirogyra is :

 
 
 
 

11. Antibiotic has been extracted from :

 
 
 
 

12. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

13. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

14. Which of the following shows heterotrichous habit?

 
 
 
 

15. Asexual reproductive body of Volvox is called:

 
 
 
 

16. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Spirogyra represents the :

 
 
 
 

22. Each chloroplast in Spirogyra bears :

 
 
 
 

23. Ulothrix produces :

 
 
 
 

24. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

26. Which of the following have a prokaryotic cell?

 
 
 
 

27. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

29. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Which of the following is a parasitic algae?

 
 
 
 

42. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Nannandria are:

 
 
 
 

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

 
 
 
 

47. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. All algae have:

 
 
 
 

52. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

54. Most of the algae are :

 
 
 
 

55. One of the distinctive feature of Spirogyra is :

 
 
 
 

56. True sexuality is not found in:

 
 
 
 

57. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. What are Cyanobacteria?

 
 
 
 

61. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Iodine is obtained from:

 
 
 
 

65. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

67. The chloroplast of Chlamydomonas are:

 
 
 
 

68. The chloroplast in Ulothrix is :

 
 
 
 

69. The flagella of Chlamydomonas are:

 
 
 
 

70. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

72. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

74. Heterocysts are found in :

 
 
 
 

75. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

77. The zoospores of Ulothrix are :

 
 
 
 

78. The largest alga is:

 
 
 
 

79. Which of the following have algal zone?

 
 
 
 

80. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Meiosis in Ulothrix takes place:

 
 
 
 

84. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

86. The alga, Spirogyra are found in :