Quiz_Algae

1. Among the algae kelps are :

 
 
 
 

2. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

4. Ulothrix produces :

 
 
 
 

5. Choose the correct statement about Spirogyra:

 
 
 
 

6. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

8. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. What are Cyanobacteria?

 
 
 
 

13. Which of the following is a parasitic algae?

 
 
 
 

14. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. The flagella of Chlamydomonas are:

 
 
 
 

18. Synzoospore is produced in:

 
 
 
 

19. The alga, Spirogyra are found in :

 
 
 
 

20. Mostly type of zygospore in Ulothrix is:

 
 
 
 

21. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

23. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

24. Iodine is obtained from:

 
 
 
 

25. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which one of the following statement is wrong?

 
 
 
 

31. The chloroplast in Ulothrix is :

 
 
 
 

32. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Which of the following shows heterotrichous habit?

 
 
 
 

36. Water-net is the name of:

 
 
 
 

37. All algae have:

 
 
 
 

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

 
 
 
 

39. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Which fixes atmospheric nitrogen?

 
 
 
 

44. Spirogyra represents the :

 
 
 
 

45. True sexuality is not found in:

 
 
 
 

46. The chloroplast of Chlamydomonas are:

 
 
 
 

47. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Antibiotic has been extracted from :

 
 
 
 

54. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

56. Heterotrichous habit means :

 
 
 
 

57. The largest alga is:

 
 
 
 

58. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

60. Isomorphic type alternation of generation is found in:

 
 
 
 

61. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

63. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

65. Asexual reproductive body of Volvox is called:

 
 
 
 

66. Nannandria are:

 
 
 
 

67. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

78. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

80. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

81. Each chloroplast in Spirogyra bears :

 
 
 
 

82. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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