Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. The largest alga is:

 
 
 
 

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

 
 
 
 

13. Choose the correct statement about Spirogyra:

 
 
 
 

14. Among the algae kelps are :

 
 
 
 

15. One of the distinctive feature of Spirogyra is :

 
 
 
 

16. Nannandria are:

 
 
 
 

17. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

26. Which of the following shows heterotrichous habit?

 
 
 
 

27. An alga which is rich in proteins:

 
 
 
 

28. The alga, Spirogyra are found in :

 
 
 
 

29. Isomorphic type alternation of generation is found in:

 
 
 
 

30. Which fixes atmospheric nitrogen?

 
 
 
 

31. Which group of algae have an incipient nucleus?

 
 
 
 

32. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Which of the following have algal zone?

 
 
 
 

37. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

39. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

44. Iodine is obtained from:

 
 
 
 

45. Mostly type of zygospore in Ulothrix is:

 
 
 
 

46. Redness of red sea is due to :

 
 
 
 

47. Cap cells are found in the filament of:

 
 
 
 

48. The word “sea weeds” is used for:

 
 
 
 

49. Most common type of conjugation in Spirogyra is :

 
 
 
 

50. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

52. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

53. Antibiotic has been extracted from :

 
 
 
 

54. Water-net is the name of:

 
 
 
 

55. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Ectocarpus produces:

 
 
 
 

59. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Which one of the following statement is wrong?

 
 
 
 

63. Iodine is obtained from :

 
 
 
 

64. Water bloom is generally caused by :

 
 
 
 

65. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Ulothrix produces :

 
 
 
 

70. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. The zoospores of Ulothrix are :

 
 
 
 

77. The flagella of Chlamydomonas are:

 
 
 
 

78. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

80. The chloroplast of Chlamydomonas are:

 
 
 
 

81. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

83. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

85. All algae have:

 
 
 
 

86. Heterocysts are found in :