Quiz_Algae

1. Which of the following is a parasitic algae?

 
 
 
 

2. Antibiotic has been extracted from :

 
 
 
 

3. Nannandria are:

 
 
 
 

4. The chloroplast of Chlamydomonas are:

 
 
 
 

5. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

7. Water-net is the name of:

 
 
 
 

8. Spirogyra represents the :

 
 
 
 

9. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

11. Agar-agar is obtained from:

 
 
 
 

12. Cap cells are found in the filament of:

 
 
 
 

13. The largest alga is:

 
 
 
 

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

 
 
 
 

15. Ectocarpus produces:

 
 
 
 

16. Most common type of conjugation in Spirogyra is :

 
 
 
 

17. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

19. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Synzoospore is produced in:

 
 
 
 

25. Isomorphic type alternation of generation is found in:

 
 
 
 

26. All algae have:

 
 
 
 

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

 
 
 
 

28. Heterocysts are found in :

 
 
 
 

29. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Water bloom is generally caused by :

 
 
 
 

40. Which of the following have a prokaryotic cell?

 
 
 
 

41. The alga, Spirogyra are found in :

 
 
 
 

42. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

44. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

49. Choose the correct statement about Spirogyra:

 
 
 
 

50. Among the algae kelps are :

 
 
 
 

51. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

53. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

55. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

61. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

63. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

68. Ulothrix produces :

 
 
 
 

69. Meiosis in Ulothrix takes place:

 
 
 
 

70. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

77. True sexuality is not found in:

 
 
 
 

78. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

80. Iodine is obtained from :

 
 
 
 

81. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

83. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

85. Most of the algae are :

 
 
 
 

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