Quiz_Algae

1. Redness of red sea is due to :

 
 
 
 

2. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

4. Which of the following have a prokaryotic cell?

 
 
 
 

5. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Asexual reproductive body of Volvox is called:

 
 
 
 

19. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Antibiotic has been extracted from :

 
 
 
 

25. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

26. Most of the algae are :

 
 
 
 

27. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

29. True sexuality is not found in:

 
 
 
 

30. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Ectocarpus produces:

 
 
 
 

34. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

36. Nannandria are:

 
 
 
 

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

 
 
 
 

38. Agar-agar is obtained from:

 
 
 
 

39. The chloroplast of Chlamydomonas are:

 
 
 
 

40. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Water-net is the name of:

 
 
 
 

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

 
 
 
 

48. The largest alga is:

 
 
 
 

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

 
 
 
 

50. Which group of algae have an incipient nucleus?

 
 
 
 

51. Synzoospore is produced in:

 
 
 
 

52. Which of the following shows heterotrichous habit?

 
 
 
 

53. Water bloom is generally caused by :

 
 
 
 

54. Among the algae kelps are :

 
 
 
 

55. Which fixes atmospheric nitrogen?

 
 
 
 

56. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

58. The alga, Spirogyra are found in :

 
 
 
 

59. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

61. What are Cyanobacteria?

 
 
 
 

62. All algae have:

 
 
 
 

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

 
 
 
 

64. The zoospores of Ulothrix are :

 
 
 
 

65. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

67. Spirogyra represents the :

 
 
 
 

68. Ulothrix produces :

 
 
 
 

69. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

71. Each chloroplast in Spirogyra bears :

 
 
 
 

72. The word “sea weeds” is used for:

 
 
 
 

73. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. The flagella of Chlamydomonas are:

 
 
 
 

77. Iodine is obtained from:

 
 
 
 

78. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

81. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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