Quiz_Algae

1. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Heterotrichous habit means :

 
 
 
 

6. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Which of the following is a parasitic algae?

 
 
 
 

12. Antibiotic has been extracted from :

 
 
 
 

13. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

15. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

17. Water-net is the name of:

 
 
 
 

18. One of the distinctive feature of Spirogyra is :

 
 
 
 

19. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

21. Which fixes atmospheric nitrogen?

 
 
 
 

22. The chloroplast in Ulothrix is :

 
 
 
 

23. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

25. Which one of the following statement is wrong?

 
 
 
 

26. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which of the following have algal zone?

 
 
 
 

31. Most common type of conjugation in Spirogyra is :

 
 
 
 

32. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Synzoospore is produced in:

 
 
 
 

43. Which of the following have a prokaryotic cell?

 
 
 
 

44. Ectocarpus produces:

 
 
 
 

45. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

47. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

49. Iodine is obtained from :

 
 
 
 

50. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. All algae have:

 
 
 
 

54. Which group of algae have an incipient nucleus?

 
 
 
 

55. Spirogyra represents the :

 
 
 
 

56. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

58. Choose the correct statement about Spirogyra:

 
 
 
 

59. Most of the algae are :

 
 
 
 

60. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

62. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

70. Cap cells are found in the filament of:

 
 
 
 

71. Among the algae kelps are :

 
 
 
 

72. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

73. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

75. Asexual reproductive body of Volvox is called:

 
 
 
 

76. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Water bloom is generally caused by :

 
 
 
 

83. Meiosis in Ulothrix takes place:

 
 
 
 

84. The zoospores of Ulothrix are :

 
 
 
 

85. Nannandria are:

 
 
 
 

86. The largest alga is: