Quiz_Algae

1. Each chloroplast in Spirogyra bears :

 
 
 
 

2. Heterocysts are found in :

 
 
 
 

3. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

7. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Which of the following have a prokaryotic cell?

 
 
 
 

11. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

26. Cap cells are found in the filament of:

 
 
 
 

27. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

29. Water-net is the name of:

 
 
 
 

30. Ulothrix produces :

 
 
 
 

31. Agar-agar is obtained from:

 
 
 
 

32. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Meiosis in Ulothrix takes place:

 
 
 
 

40. Which fixes atmospheric nitrogen?

 
 
 
 

41. Iodine is obtained from :

 
 
 
 

42. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

44. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

46. Which group of algae have an incipient nucleus?

 
 
 
 

47. The chloroplast of Chlamydomonas are:

 
 
 
 

48. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

50. Redness of red sea is due to :

 
 
 
 

51. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Choose the correct statement about Spirogyra:

 
 
 
 

59. Synzoospore is produced in:

 
 
 
 

60. Mostly type of zygospore in Ulothrix is:

 
 
 
 

61. Most common type of conjugation in Spirogyra is :

 
 
 
 

62. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

64. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

66. The chloroplast in Ulothrix is :

 
 
 
 

67. Which of the following shows heterotrichous habit?

 
 
 
 

68. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. All algae have:

 
 
 
 

75. The alga, Spirogyra are found in :

 
 
 
 

76. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

77. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

79. One of the distinctive feature of Spirogyra is :

 
 
 
 

80. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

82. The zoospores of Ulothrix are :

 
 
 
 

83. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

84. The flagella of Chlamydomonas are:

 
 
 
 

85. Iodine is obtained from:

 
 
 
 

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