Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Cap cells are found in the filament of:

 
 
 
 

6. Nannandria are:

 
 
 
 

7. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

9. Most of the algae are :

 
 
 
 

10. All algae have:

 
 
 
 

11. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

13. The word “sea weeds” is used for:

 
 
 
 

14. True sexuality is not found in:

 
 
 
 

15. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

17. Ulothrix produces :

 
 
 
 

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

 
 
 
 

19. Which one of the following statement is wrong?

 
 
 
 

20. Heterocysts are found in :

 
 
 
 

21. Synzoospore is produced in:

 
 
 
 

22. Ectocarpus produces:

 
 
 
 

23. Mostly type of zygospore in Ulothrix is:

 
 
 
 

24. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

26. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Each chloroplast in Spirogyra bears :

 
 
 
 

37. Water-net is the name of:

 
 
 
 

38. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

40. Which of the following have algal zone?

 
 
 
 

41. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Asexual reproductive body of Volvox is called:

 
 
 
 

46. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

48. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

50. Water bloom is generally caused by :

 
 
 
 

51. Meiosis in Ulothrix takes place:

 
 
 
 

52. One of the distinctive feature of Spirogyra is :

 
 
 
 

53. Iodine is obtained from :

 
 
 
 

54. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Which fixes atmospheric nitrogen?

 
 
 
 

58. The alga, Spirogyra are found in :

 
 
 
 

59. Which of the following have a prokaryotic cell?

 
 
 
 

60. Heterotrichous habit means :

 
 
 
 

61. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

73. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

77. The zoospores of Ulothrix are :

 
 
 
 

78. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

80. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Redness of red sea is due to :

 
 
 
 

84. The largest alga is:

 
 
 
 

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

 
 
 
 

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