Quiz_Algae

1. Which one of the following statement is wrong?

 
 
 
 

2. True sexuality is not found in:

 
 
 
 

3. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. The zoospores of Ulothrix are :

 
 
 
 

14. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

15. Each chloroplast in Spirogyra bears :

 
 
 
 

16. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

18. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Redness of red sea is due to :

 
 
 
 

22. Water-net is the name of:

 
 
 
 

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

 
 
 
 

24. Which of the following shows heterotrichous habit?

 
 
 
 

25. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

29. An alga which is rich in proteins:

 
 
 
 

30. Iodine is obtained from :

 
 
 
 

31. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. The chloroplast in Ulothrix is :

 
 
 
 

35. Most common type of conjugation in Spirogyra is :

 
 
 
 

36. The chloroplast of Chlamydomonas are:

 
 
 
 

37. Antibiotic has been extracted from :

 
 
 
 

38. Isomorphic type alternation of generation is found in:

 
 
 
 

39. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

41. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

43. Which of the following have a prokaryotic cell?

 
 
 
 

44. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Nannandria are:

 
 
 
 

49. Most of the algae are :

 
 
 
 

50. Ulothrix produces :

 
 
 
 

51. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Heterocysts are found in :

 
 
 
 

55. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Asexual reproductive body of Volvox is called:

 
 
 
 

63. The flagella of Chlamydomonas are:

 
 
 
 

64. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Spirogyra represents the :

 
 
 
 

69. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

71. Synzoospore is produced in:

 
 
 
 

72. Agar-agar is obtained from:

 
 
 
 

73. Ectocarpus produces:

 
 
 
 

74. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

76. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

82. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

86. Which fixes atmospheric nitrogen?