Quiz_Algae

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

 
 
 
 

2. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Choose the correct statement about Spirogyra:

 
 
 
 

6. Mostly type of zygospore in Ulothrix is:

 
 
 
 

7. Asexual reproductive body of Volvox is called:

 
 
 
 

8. Isomorphic type alternation of generation is found in:

 
 
 
 

9. Most of the algae are :

 
 
 
 

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

 
 
 
 

11. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

16. Which of the following have a prokaryotic cell?

 
 
 
 

17. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

19. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

21. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

23. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Cap cells are found in the filament of:

 
 
 
 

27. The chloroplast of Chlamydomonas are:

 
 
 
 

28. All algae have:

 
 
 
 

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

 
 
 
 

30. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

32. An alga which is rich in proteins:

 
 
 
 

33. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

35. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

37. Antibiotic has been extracted from :

 
 
 
 

38. Redness of red sea is due to :

 
 
 
 

39. Which of the following have algal zone?

 
 
 
 

40. Ectocarpus produces:

 
 
 
 

41. Meiosis in Ulothrix takes place:

 
 
 
 

42. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

44. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

46. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Nannandria are:

 
 
 
 

50. The chloroplast in Ulothrix is :

 
 
 
 

51. Which of the following is a parasitic algae?

 
 
 
 

52. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

54. Ulothrix produces :

 
 
 
 

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

 
 
 
 

56. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

58. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. True sexuality is not found in:

 
 
 
 

62. Which of the following shows heterotrichous habit?

 
 
 
 

63. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

65. Each chloroplast in Spirogyra bears :

 
 
 
 

66. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

67. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Agar-agar is obtained from:

 
 
 
 

72. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Iodine is obtained from:

 
 
 
 

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. At the time of germination of zygospore in Spirogyra:

 
 
 
 

84. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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