Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

7. Water bloom is generally caused by :

 
 
 
 

8. Which fixes atmospheric nitrogen?

 
 
 
 

9. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

11. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

20. Which of the following shows heterotrichous habit?

 
 
 
 

21. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which one of the following statement is wrong?

 
 
 
 

31. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

33. Heterotrichous habit means :

 
 
 
 

34. Redness of red sea is due to :

 
 
 
 

35. Cap cells are found in the filament of:

 
 
 
 

36. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Ulothrix produces :

 
 
 
 

41. The largest alga is:

 
 
 
 

42. Ectocarpus produces:

 
 
 
 

43. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

48. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

49. Heterocysts are found in :

 
 
 
 

50. What are Cyanobacteria?

 
 
 
 

51. True sexuality is not found in:

 
 
 
 

52. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Meiosis in Ulothrix takes place:

 
 
 
 

56. Asexual reproductive body of Volvox is called:

 
 
 
 

57. One of the distinctive feature of Spirogyra is :

 
 
 
 

58. Iodine is obtained from:

 
 
 
 

59. All algae have:

 
 
 
 

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

 
 
 
 

61. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

63. Most common type of conjugation in Spirogyra is :

 
 
 
 

64. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

66. The zoospores of Ulothrix are :

 
 
 
 

67. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Which of the following have algal zone?

 
 
 
 

74. Most of the algae are :

 
 
 
 

75. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

77. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

81. Iodine is obtained from :

 
 
 
 

82. Choose the correct statement about Spirogyra:

 
 
 
 

83. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. Which of the following have a prokaryotic cell?