Quiz_Algae

1. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

3. What are Cyanobacteria?

 
 
 
 

4. Mostly type of zygospore in Ulothrix is:

 
 
 
 

5. The flagella of Chlamydomonas are:

 
 
 
 

6. Cap cells are found in the filament of:

 
 
 
 

7. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

14. Which of the following shows heterotrichous habit?

 
 
 
 

15. Among the algae kelps are :

 
 
 
 

16. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. All algae have:

 
 
 
 

20. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Agar-agar is obtained from:

 
 
 
 

25. Spirogyra represents the :

 
 
 
 

26. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

28. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

34. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

38. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

40. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

42. Ulothrix produces :

 
 
 
 

43. Which of the following have a prokaryotic cell?

 
 
 
 

44. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

46. Which one of the following statement is wrong?

 
 
 
 

47. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. The largest alga is:

 
 
 
 

51. An alga which is rich in proteins:

 
 
 
 

52. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

54. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Most of the algae are :

 
 
 
 

58. Asexual reproductive body of Volvox is called:

 
 
 
 

59. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

61. The zoospores of Ulothrix are :

 
 
 
 

62. Meiosis in Ulothrix takes place:

 
 
 
 

63. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

73. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Most common type of conjugation in Spirogyra is :

 
 
 
 

77. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

79. True sexuality is not found in:

 
 
 
 

80. Which of the following is a parasitic algae?

 
 
 
 

81. Isomorphic type alternation of generation is found in:

 
 
 
 

82. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. The chloroplast in Ulothrix is :

 
 
 
 

86. Hormogonia are the vegetative reproductive structures of :