Quiz_Algae

1. Water-net is the name of:

 
 
 
 

2. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

4. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

6. Mostly type of zygospore in Ulothrix is:

 
 
 
 

7. Iodine is obtained from :

 
 
 
 

8. Which of the following shows heterotrichous habit?

 
 
 
 

9. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. The largest alga is:

 
 
 
 

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

 
 
 
 

17. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

19. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

20. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

22. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. One of the distinctive feature of Spirogyra is :

 
 
 
 

26. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

27. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

33. Asexual reproductive body of Volvox is called:

 
 
 
 

34. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

36. Iodine is obtained from:

 
 
 
 

37. Each chloroplast in Spirogyra bears :

 
 
 
 

38. All algae have:

 
 
 
 

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

 
 
 
 

40. Isomorphic type alternation of generation is found in:

 
 
 
 

41. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. The word “sea weeds” is used for:

 
 
 
 

50. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

52. The chloroplast of Chlamydomonas are:

 
 
 
 

53. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Which group of algae have an incipient nucleus?

 
 
 
 

57. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

59. Redness of red sea is due to :

 
 
 
 

60. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

62. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

64. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

66. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Antibiotic has been extracted from :

 
 
 
 

71. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

73. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Heterocysts are found in :

 
 
 
 

77. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

79. Heterotrichous habit means :

 
 
 
 

80. The chloroplast in Ulothrix is :

 
 
 
 

81. Ulothrix produces :

 
 
 
 

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

 
 
 
 

83. Spirogyra represents the :

 
 
 
 

84. Nannandria are:

 
 
 
 

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

 
 
 
 

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