Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. The zoospores of Ulothrix are :

 
 
 
 

11. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

15. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

17. Agar-agar is obtained from:

 
 
 
 

18. Choose the correct statement about Spirogyra:

 
 
 
 

19. Meiosis in Ulothrix takes place:

 
 
 
 

20. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

21. Heterotrichous habit means :

 
 
 
 

22. Heterocysts are found in :

 
 
 
 

23. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

25. Iodine is obtained from :

 
 
 
 

26. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

28. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

30. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

32. Which group of algae have an incipient nucleus?

 
 
 
 

33. The chloroplast of Chlamydomonas are:

 
 
 
 

34. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

36. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Which of the following shows heterotrichous habit?

 
 
 
 

45. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

47. Most of the algae are :

 
 
 
 

48. The chloroplast in Ulothrix is :

 
 
 
 

49. One of the distinctive feature of Spirogyra is :

 
 
 
 

50. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

52. Ectocarpus produces:

 
 
 
 

53. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

55. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. What are Cyanobacteria?

 
 
 
 

59. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

61. All algae have:

 
 
 
 

62. Asexual reproductive body of Volvox is called:

 
 
 
 

63. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. The word “sea weeds” is used for:

 
 
 
 

68. Ulothrix produces :

 
 
 
 

69. Cap cells are found in the filament of:

 
 
 
 

70. Isomorphic type alternation of generation is found in:

 
 
 
 

71. Nannandria are:

 
 
 
 

72. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

74. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

77. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Water bloom is generally caused by :

 
 
 
 

83. The flagella of Chlamydomonas are:

 
 
 
 

84. The largest alga is:

 
 
 
 

85. An alga which is rich in proteins:

 
 
 
 

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