Quiz_Algae

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

 
 
 
 

2. Heterotrichous habit means :

 
 
 
 

3. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Iodine is obtained from:

 
 
 
 

7. Cap cells are found in the filament of:

 
 
 
 

8. Meiosis in Ulothrix takes place:

 
 
 
 

9. Most of the algae are :

 
 
 
 

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

 
 
 
 

11. Isomorphic type alternation of generation is found in:

 
 
 
 

12. Heterocysts are found in :

 
 
 
 

13. Each chloroplast in Spirogyra bears :

 
 
 
 

14. Which of the following is a parasitic algae?

 
 
 
 

15. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Ulothrix produces :

 
 
 
 

36. Choose the correct statement about Spirogyra:

 
 
 
 

37. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

39. Which group of algae have an incipient nucleus?

 
 
 
 

40. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

42. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

44. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

46. The largest alga is:

 
 
 
 

47. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

52. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

53. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. The flagella of Chlamydomonas are:

 
 
 
 

57. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. True sexuality is not found in:

 
 
 
 

61. Water bloom is generally caused by :

 
 
 
 

62. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

64. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

66. Water-net is the name of:

 
 
 
 

67. Antibiotic has been extracted from :

 
 
 
 

68. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Among the algae kelps are :

 
 
 
 

72. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. The chloroplast of Chlamydomonas are:

 
 
 
 

76. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

78. Nannandria are:

 
 
 
 

79. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

81. Which of the following have a prokaryotic cell?

 
 
 
 

82. Spirogyra represents the :

 
 
 
 

83. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

85. The alga, Spirogyra are found in :

 
 
 
 

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