Quiz_Algae

1. Antibiotic has been extracted from :

 
 
 
 

2. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

4. Water bloom is generally caused by :

 
 
 
 

5. All algae have:

 
 
 
 

6. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Most of the algae are :

 
 
 
 

12. The largest alga is:

 
 
 
 

13. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

15. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

17. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

19. Heterotrichous habit means :

 
 
 
 

20. Nannandria are:

 
 
 
 

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

 
 
 
 

22. Synzoospore is produced in:

 
 
 
 

23. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

25. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. The zoospores of Ulothrix are :

 
 
 
 

29. Ectocarpus produces:

 
 
 
 

30. Which of the following is a parasitic algae?

 
 
 
 

31. The chloroplast of Chlamydomonas are:

 
 
 
 

32. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

34. Which group of algae have an incipient nucleus?

 
 
 
 

35. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

40. Iodine is obtained from :

 
 
 
 

41. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

46. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

48. An alga which is rich in proteins:

 
 
 
 

49. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

51. Water-net is the name of:

 
 
 
 

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

 
 
 
 

53. Asexual reproductive body of Volvox is called:

 
 
 
 

54. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

56. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

58. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

63. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

65. Which of the following shows heterotrichous habit?

 
 
 
 

66. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Ulothrix produces :

 
 
 
 

74. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

76. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

78. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

80. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

86. Isomorphic type alternation of generation is found in: