Quiz_Algae

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

 
 
 
 

2. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

4. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

6. Redness of red sea is due to :

 
 
 
 

7. True sexuality is not found in:

 
 
 
 

8. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

10. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

12. What are Cyanobacteria?

 
 
 
 

13. Each chloroplast in Spirogyra bears :

 
 
 
 

14. Ulothrix produces :

 
 
 
 

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

 
 
 
 

16. The largest alga is:

 
 
 
 

17. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

19. Antibiotic has been extracted from :

 
 
 
 

20. Agar-agar is obtained from:

 
 
 
 

21. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

23. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. The zoospores of Ulothrix are :

 
 
 
 

28. An alga which is rich in proteins:

 
 
 
 

29. Choose the correct statement about Spirogyra:

 
 
 
 

30. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

36. The flagella of Chlamydomonas are:

 
 
 
 

37. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

39. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. The chloroplast in Ulothrix is :

 
 
 
 

44. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Cap cells are found in the filament of:

 
 
 
 

48. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

50. Iodine is obtained from:

 
 
 
 

51. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

53. All algae have:

 
 
 
 

54. Isomorphic type alternation of generation is found in:

 
 
 
 

55. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

57. Ectocarpus produces:

 
 
 
 

58. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

68. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

69. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

71. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

76. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

78. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

80. Which one of the following statement is wrong?

 
 
 
 

81. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Asexual reproductive body of Volvox is called:

 
 
 
 

86. Iodine is obtained from :