Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. The largest alga is:

 
 
 
 

5. Most common type of conjugation in Spirogyra is :

 
 
 
 

6. Mostly type of zygospore in Ulothrix is:

 
 
 
 

7. Most of the algae are :

 
 
 
 

8. Each chloroplast in Spirogyra bears :

 
 
 
 

9. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

10. Which of the following have algal zone?

 
 
 
 

11. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

20. Which of the following have a prokaryotic cell?

 
 
 
 

21. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. The word “sea weeds” is used for:

 
 
 
 

26. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

27. Meiosis in Ulothrix takes place:

 
 
 
 

28. True sexuality is not found in:

 
 
 
 

29. Iodine is obtained from:

 
 
 
 

30. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

32. Nannandria are:

 
 
 
 

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

 
 
 
 

34. Antibiotic has been extracted from :

 
 
 
 

35. Asexual reproductive body of Volvox is called:

 
 
 
 

36. Cap cells are found in the filament of:

 
 
 
 

37. Which of the following shows heterotrichous habit?

 
 
 
 

38. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. The flagella of Chlamydomonas are:

 
 
 
 

47. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

59. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

61. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. An alga which is rich in proteins:

 
 
 
 

70. Iodine is obtained from :

 
 
 
 

71. Water-net is the name of:

 
 
 
 

72. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

74. Which group of algae have an incipient nucleus?

 
 
 
 

75. The chloroplast in Ulothrix is :

 
 
 
 

76. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. The alga, Spirogyra are found in :

 
 
 
 

80. Which of the following is a parasitic algae?

 
 
 
 

81. Which one of the following statement is wrong?

 
 
 
 

82. One of the distinctive feature of Spirogyra is :

 
 
 
 

83. Which fixes atmospheric nitrogen?

 
 
 
 

84. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

86. Among the algae kelps are :