Quiz_Algae

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

 
 
 
 

2. Agar-agar is obtained from:

 
 
 
 

3. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

5. Mostly type of zygospore in Ulothrix is:

 
 
 
 

6. All algae have:

 
 
 
 

7. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

9. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

14. Heterotrichous habit means :

 
 
 
 

15. Most of the algae are :

 
 
 
 

16. Which of the following have algal zone?

 
 
 
 

17. One of the distinctive feature of Spirogyra is :

 
 
 
 

18. Which fixes atmospheric nitrogen?

 
 
 
 

19. Asexual reproductive body of Volvox is called:

 
 
 
 

20. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Which of the following have a prokaryotic cell?

 
 
 
 

28. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

29. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

31. Isomorphic type alternation of generation is found in:

 
 
 
 

32. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

38. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

40. Nannandria are:

 
 
 
 

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

 
 
 
 

42. Heterocysts are found in :

 
 
 
 

43. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

45. The flagella of Chlamydomonas are:

 
 
 
 

46. Among the algae kelps are :

 
 
 
 

47. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

49. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

51. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Meiosis in Ulothrix takes place:

 
 
 
 

55. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

57. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

59. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

61. Ulothrix produces :

 
 
 
 

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

 
 
 
 

63. What are Cyanobacteria?

 
 
 
 

64. Cap cells are found in the filament of:

 
 
 
 

65. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

67. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Each chloroplast in Spirogyra bears :

 
 
 
 

74. Spirogyra represents the :

 
 
 
 

75. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

77. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

79. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

81. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Water-net is the name of:

 
 
 
 

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