Quiz_Algae

1. Which of the following have algal zone?

 
 
 
 

2. Ulothrix produces :

 
 
 
 

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

 
 
 
 

4. The largest alga is:

 
 
 
 

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

 
 
 
 

6. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

8. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Water bloom is generally caused by :

 
 
 
 

16. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

18. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

20. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

22. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

24. Most of the algae are :

 
 
 
 

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

 
 
 
 

26. Redness of red sea is due to :

 
 
 
 

27. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

29. Meiosis in Ulothrix takes place:

 
 
 
 

30. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

31. Which of the following shows heterotrichous habit?

 
 
 
 

32. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Ectocarpus produces:

 
 
 
 

36. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

38. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

40. The alga, Spirogyra are found in :

 
 
 
 

41. Choose the correct statement about Spirogyra:

 
 
 
 

42. Most common type of conjugation in Spirogyra is :

 
 
 
 

43. Synzoospore is produced in:

 
 
 
 

44. Which one of the following statement is wrong?

 
 
 
 

45. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Antibiotic has been extracted from :

 
 
 
 

53. Asexual reproductive body of Volvox is called:

 
 
 
 

54. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. The chloroplast in Ulothrix is :

 
 
 
 

62. Which of the following is a parasitic algae?

 
 
 
 

63. Nannandria are:

 
 
 
 

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

 
 
 
 

65. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Mostly type of zygospore in Ulothrix is:

 
 
 
 

69. An alga which is rich in proteins:

 
 
 
 

70. One of the distinctive feature of Spirogyra is :

 
 
 
 

71. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Which of the following have a prokaryotic cell?

 
 
 
 

78. Each chloroplast in Spirogyra bears :

 
 
 
 

79. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Water-net is the name of:

 
 
 
 

83. Among the algae kelps are :

 
 
 
 

84. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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