Quiz_Algae

1. The chloroplast in Ulothrix is :

 
 
 
 

2. Antibiotic has been extracted from :

 
 
 
 

3. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Agar-agar is obtained from:

 
 
 
 

8. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Most of the algae are :

 
 
 
 

12. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

22. Meiosis in Ulothrix takes place:

 
 
 
 

23. The flagella of Chlamydomonas are:

 
 
 
 

24. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

26. Water bloom is generally caused by :

 
 
 
 

27. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Iodine is obtained from :

 
 
 
 

31. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

35. Among the algae kelps are :

 
 
 
 

36. The chloroplast of Chlamydomonas are:

 
 
 
 

37. Which one of the following statement is wrong?

 
 
 
 

38. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

40. Which group of algae have an incipient nucleus?

 
 
 
 

41. Which of the following have algal zone?

 
 
 
 

42. Which of the following shows heterotrichous habit?

 
 
 
 

43. Choose the correct statement about Spirogyra:

 
 
 
 

44. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

56. Heterotrichous habit means :

 
 
 
 

57. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

59. Heterocysts are found in :

 
 
 
 

60. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

68. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Which of the following is a parasitic algae?

 
 
 
 

73. Mostly type of zygospore in Ulothrix is:

 
 
 
 

74. Cap cells are found in the filament of:

 
 
 
 

75. Spirogyra represents the :

 
 
 
 

76. True sexuality is not found in:

 
 
 
 

77. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

79. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

81. An alga which is rich in proteins:

 
 
 
 

82. Nannandria are:

 
 
 
 

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

 
 
 
 

84. Isomorphic type alternation of generation is found in:

 
 
 
 

85. Ulothrix produces :

 
 
 
 

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