Quiz_Algae

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

 
 
 
 

2. Meiosis in Ulothrix takes place:

 
 
 
 

3. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Most of the algae are :

 
 
 
 

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

 
 
 
 

8. Antibiotic has been extracted from :

 
 
 
 

9. Which fixes atmospheric nitrogen?

 
 
 
 

10. The zoospores of Ulothrix are :

 
 
 
 

11. Asexual reproductive body of Volvox is called:

 
 
 
 

12. What are Cyanobacteria?

 
 
 
 

13. The chloroplast of Chlamydomonas are:

 
 
 
 

14. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. All algae have:

 
 
 
 

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

 
 
 
 

23. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

25. Water-net is the name of:

 
 
 
 

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

 
 
 
 

27. Each chloroplast in Spirogyra bears :

 
 
 
 

28. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Isomorphic type alternation of generation is found in:

 
 
 
 

32. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

34. Which of the following shows heterotrichous habit?

 
 
 
 

35. Which group of algae have an incipient nucleus?

 
 
 
 

36. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

38. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Synzoospore is produced in:

 
 
 
 

42. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

44. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

46. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

47. An alga which is rich in proteins:

 
 
 
 

48. Spirogyra represents the :

 
 
 
 

49. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

54. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

56. Nannandria are:

 
 
 
 

57. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

61. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Ectocarpus produces:

 
 
 
 

69. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

71. Among the algae kelps are :

 
 
 
 

72. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

73. Mostly type of zygospore in Ulothrix is:

 
 
 
 

74. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

76. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

79. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

81. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

83. Iodine is obtained from :

 
 
 
 

84. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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