Quiz_Algae

1. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

9. Nannandria are:

 
 
 
 

10. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

12. Redness of red sea is due to :

 
 
 
 

13. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. What are Cyanobacteria?

 
 
 
 

17. Mostly type of zygospore in Ulothrix is:

 
 
 
 

18. All algae have:

 
 
 
 

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

 
 
 
 

20. Ectocarpus produces:

 
 
 
 

21. Which of the following shows heterotrichous habit?

 
 
 
 

22. Isomorphic type alternation of generation is found in:

 
 
 
 

23. The largest alga is:

 
 
 
 

24. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

26. The chloroplast of Chlamydomonas are:

 
 
 
 

27. Antibiotic has been extracted from :

 
 
 
 

28. Ulothrix produces :

 
 
 
 

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

 
 
 
 

30. Which of the following have a prokaryotic cell?

 
 
 
 

31. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

33. The chloroplast in Ulothrix is :

 
 
 
 

34. Most of the algae are :

 
 
 
 

35. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

40. One of the distinctive feature of Spirogyra is :

 
 
 
 

41. Each chloroplast in Spirogyra bears :

 
 
 
 

42. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

51. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

53. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

55. Choose the correct statement about Spirogyra:

 
 
 
 

56. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

58. Which fixes atmospheric nitrogen?

 
 
 
 

59. The word “sea weeds” is used for:

 
 
 
 

60. True sexuality is not found in:

 
 
 
 

61. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

63. Cap cells are found in the filament of:

 
 
 
 

64. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

69. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

70. Water bloom is generally caused by :

 
 
 
 

71. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Iodine is obtained from:

 
 
 
 

75. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Which of the following have algal zone?

 
 
 
 

79. Water-net is the name of:

 
 
 
 

80. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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