Quiz_Algae

1. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Water-net is the name of:

 
 
 
 

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

 
 
 
 

6. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

7. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

9. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

11. Mostly type of zygospore in Ulothrix is:

 
 
 
 

12. Ulothrix produces :

 
 
 
 

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

 
 
 
 

14. Which one of the following statement is wrong?

 
 
 
 

15. Nannandria are:

 
 
 
 

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

 
 
 
 

17. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

22. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

24. The flagella of Chlamydomonas are:

 
 
 
 

25. Among the algae kelps are :

 
 
 
 

26. Spirogyra represents the :

 
 
 
 

27. Agar-agar is obtained from:

 
 
 
 

28. Which group of algae have an incipient nucleus?

 
 
 
 

29. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

31. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Heterocysts are found in :

 
 
 
 

35. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Most common type of conjugation in Spirogyra is :

 
 
 
 

39. Which of the following have a prokaryotic cell?

 
 
 
 

40. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. The largest alga is:

 
 
 
 

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

 
 
 
 

45. Iodine is obtained from :

 
 
 
 

46. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

48. Each chloroplast in Spirogyra bears :

 
 
 
 

49. Heterotrichous habit means :

 
 
 
 

50. All algae have:

 
 
 
 

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

 
 
 
 

52. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Which of the following is a parasitic algae?

 
 
 
 

62. The zoospores of Ulothrix are :

 
 
 
 

63. Antibiotic has been extracted from :

 
 
 
 

64. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

66. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. What are Cyanobacteria?

 
 
 
 

71. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

73. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. True sexuality is not found in:

 
 
 
 

79. Which of the following have algal zone?

 
 
 
 

80. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

85. One of the distinctive feature of Spirogyra is :

 
 
 
 

86. Cap cells are found in the filament of: