Quiz_Algae

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

 
 
 
 

2. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

3. Ectocarpus produces:

 
 
 
 

4. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

6. An alga which is rich in proteins:

 
 
 
 

7. Most common type of conjugation in Spirogyra is :

 
 
 
 

8. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

13. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

15. Ulothrix produces :

 
 
 
 

16. Iodine is obtained from:

 
 
 
 

17. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Water-net is the name of:

 
 
 
 

23. Cap cells are found in the filament of:

 
 
 
 

24. Meiosis in Ulothrix takes place:

 
 
 
 

25. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Asexual reproductive body of Volvox is called:

 
 
 
 

30. Spirogyra represents the :

 
 
 
 

31. Which of the following is a parasitic algae?

 
 
 
 

32. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

34. The largest alga is:

 
 
 
 

35. Most of the algae are :

 
 
 
 

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

 
 
 
 

37. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. The alga, Spirogyra are found in :

 
 
 
 

42. Antibiotic has been extracted from :

 
 
 
 

43. Water bloom is generally caused by :

 
 
 
 

44. Heterotrichous habit means :

 
 
 
 

45. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

53. Isomorphic type alternation of generation is found in:

 
 
 
 

54. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

56. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

66. Nannandria are:

 
 
 
 

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

 
 
 
 

68. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Which group of algae have an incipient nucleus?

 
 
 
 

73. The zoospores of Ulothrix are :

 
 
 
 

74. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

76. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Agar-agar is obtained from:

 
 
 
 

80. All algae have:

 
 
 
 

81. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

83. The flagella of Chlamydomonas are:

 
 
 
 

84. The word “sea weeds” is used for:

 
 
 
 

85. True sexuality is not found in:

 
 
 
 

86. Which of the following shows heterotrichous habit?