Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Asexual reproductive body of Volvox is called:

 
 
 
 

8. All algae have:

 
 
 
 

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

 
 
 
 

10. Redness of red sea is due to :

 
 
 
 

11. Which of the following have algal zone?

 
 
 
 

12. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

14. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

20. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

22. Which group of algae have an incipient nucleus?

 
 
 
 

23. The word “sea weeds” is used for:

 
 
 
 

24. Iodine is obtained from:

 
 
 
 

25. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

27. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

32. Which of the following have a prokaryotic cell?

 
 
 
 

33. Meiosis in Ulothrix takes place:

 
 
 
 

34. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

36. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. The zoospores of Ulothrix are :

 
 
 
 

40. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

45. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

46. Spirogyra represents the :

 
 
 
 

47. An alga which is rich in proteins:

 
 
 
 

48. Mostly type of zygospore in Ulothrix is:

 
 
 
 

49. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

55. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

57. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

59. Which of the following shows heterotrichous habit?

 
 
 
 

60. Antibiotic has been extracted from :

 
 
 
 

61. Heterocysts are found in :

 
 
 
 

62. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

64. True sexuality is not found in:

 
 
 
 

65. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Among the algae kelps are :

 
 
 
 

69. The largest alga is:

 
 
 
 

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

 
 
 
 

71. Most common type of conjugation in Spirogyra is :

 
 
 
 

72. The chloroplast in Ulothrix is :

 
 
 
 

73. Nannandria are:

 
 
 
 

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

 
 
 
 

75. Water bloom is generally caused by :

 
 
 
 

76. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

78. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

80. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Most of the algae are :

 
 
 
 

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

 
 
 
 

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