Quiz_Algae

1. Which of the following shows heterotrichous habit?

 
 
 
 

2. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

11. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

13. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

15. What are Cyanobacteria?

 
 
 
 

16. Water-net is the name of:

 
 
 
 

17. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

23. Isomorphic type alternation of generation is found in:

 
 
 
 

24. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

26. Which one of the following statement is wrong?

 
 
 
 

27. Ectocarpus produces:

 
 
 
 

28. Synzoospore is produced in:

 
 
 
 

29. Water bloom is generally caused by :

 
 
 
 

30. Ulothrix produces :

 
 
 
 

31. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

32. Each chloroplast in Spirogyra bears :

 
 
 
 

33. Heterotrichous habit means :

 
 
 
 

34. True sexuality is not found in:

 
 
 
 

35. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

40. Iodine is obtained from:

 
 
 
 

41. Most of the algae are :

 
 
 
 

42. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

44. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

53. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Heterocysts are found in :

 
 
 
 

57. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

59. All algae have:

 
 
 
 

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

 
 
 
 

61. Choose the correct statement about Spirogyra:

 
 
 
 

62. The largest alga is:

 
 
 
 

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

 
 
 
 

64. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

72. Agar-agar is obtained from:

 
 
 
 

73. The chloroplast of Chlamydomonas are:

 
 
 
 

74. Mostly type of zygospore in Ulothrix is:

 
 
 
 

75. The flagella of Chlamydomonas are:

 
 
 
 

76. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Redness of red sea is due to :

 
 
 
 

80. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

81. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

83. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

86. The zoospores of Ulothrix are :