Quiz_Algae

1. Redness of red sea is due to :

 
 
 
 

2. Synzoospore is produced in:

 
 
 
 

3. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

4. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

6. Most common type of conjugation in Spirogyra is :

 
 
 
 

7. Among the algae kelps are :

 
 
 
 

8. The alga, Spirogyra are found in :

 
 
 
 

9. Asexual reproductive body of Volvox is called:

 
 
 
 

10. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

12. Isomorphic type alternation of generation is found in:

 
 
 
 

13. Water bloom is generally caused by :

 
 
 
 

14. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

16. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

18. All algae have:

 
 
 
 

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

 
 
 
 

20. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

22. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. The word “sea weeds” is used for:

 
 
 
 

26. Which fixes atmospheric nitrogen?

 
 
 
 

27. Most of the algae are :

 
 
 
 

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

 
 
 
 

29. Nannandria are:

 
 
 
 

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

 
 
 
 

31. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

41. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

43. Cap cells are found in the filament of:

 
 
 
 

44. Which of the following shows heterotrichous habit?

 
 
 
 

45. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

46. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

48. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

50. The chloroplast of Chlamydomonas are:

 
 
 
 

51. The chloroplast in Ulothrix is :

 
 
 
 

52. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

57. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. The flagella of Chlamydomonas are:

 
 
 
 

72. The largest alga is:

 
 
 
 

73. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

75. Which of the following have algal zone?

 
 
 
 

76. Spirogyra represents the :

 
 
 
 

77. Iodine is obtained from:

 
 
 
 

78. The zoospores of Ulothrix are :

 
 
 
 

79. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

85. Antibiotic has been extracted from :

 
 
 
 

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