Quiz_Algae

1. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Synzoospore is produced in:

 
 
 
 

5. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Each chloroplast in Spirogyra bears :

 
 
 
 

10. Antibiotic has been extracted from :

 
 
 
 

11. The zoospores of Ulothrix are :

 
 
 
 

12. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. All algae have:

 
 
 
 

18. The alga, Spirogyra are found in :

 
 
 
 

19. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. The flagella of Chlamydomonas are:

 
 
 
 

25. Asexual reproductive body of Volvox is called:

 
 
 
 

26. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. True sexuality is not found in:

 
 
 
 

34. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

35. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

39. Water-net is the name of:

 
 
 
 

40. Agar-agar is obtained from:

 
 
 
 

41. Among the algae kelps are :

 
 
 
 

42. One of the distinctive feature of Spirogyra is :

 
 
 
 

43. The largest alga is:

 
 
 
 

44. Iodine is obtained from:

 
 
 
 

45. Ulothrix produces :

 
 
 
 

46. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

52. Water bloom is generally caused by :

 
 
 
 

53. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

60. Which group of algae have an incipient nucleus?

 
 
 
 

61. Most common type of conjugation in Spirogyra is :

 
 
 
 

62. Redness of red sea is due to :

 
 
 
 

63. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

65. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Which one of the following statement is wrong?

 
 
 
 

71. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Which of the following have algal zone?

 
 
 
 

75. Meiosis in Ulothrix takes place:

 
 
 
 

76. The chloroplast in Ulothrix is :

 
 
 
 

77. Heterotrichous habit means :

 
 
 
 

78. Heterocysts are found in :

 
 
 
 

79. An alga which is rich in proteins:

 
 
 
 

80. Which of the following have a prokaryotic cell?

 
 
 
 

81. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

83. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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