Quiz_Algae

1. All algae have:

 
 
 
 

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

 
 
 
 

3. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

5. Nannandria are:

 
 
 
 

6. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

8. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

14. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

16. Redness of red sea is due to :

 
 
 
 

17. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Ulothrix produces :

 
 
 
 

23. Water bloom is generally caused by :

 
 
 
 

24. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. What are Cyanobacteria?

 
 
 
 

28. True sexuality is not found in:

 
 
 
 

29. Water-net is the name of:

 
 
 
 

30. Which of the following have algal zone?

 
 
 
 

31. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

33. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Mostly type of zygospore in Ulothrix is:

 
 
 
 

37. The largest alga is:

 
 
 
 

38. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Heterocysts are found in :

 
 
 
 

52. The alga, Spirogyra are found in :

 
 
 
 

53. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

54. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Ectocarpus produces:

 
 
 
 

58. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

63. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which of the following shows heterotrichous habit?

 
 
 
 

67. The chloroplast of Chlamydomonas are:

 
 
 
 

68. Which of the following have a prokaryotic cell?

 
 
 
 

69. Most common type of conjugation in Spirogyra is :

 
 
 
 

70. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Which group of algae have an incipient nucleus?

 
 
 
 

74. The chloroplast in Ulothrix is :

 
 
 
 

75. Heterotrichous habit means :

 
 
 
 

76. Isomorphic type alternation of generation is found in:

 
 
 
 

77. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Which one of the following statement is wrong?

 
 
 
 

82. Cap cells are found in the filament of:

 
 
 
 

83. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

85. Which of the following is a parasitic algae?

 
 
 
 

86. Spirogyra represents the :