Quiz_Algae

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

 
 
 
 

2. Agar-agar is obtained from:

 
 
 
 

3. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Which of the following shows heterotrichous habit?

 
 
 
 

8. Which group of algae have an incipient nucleus?

 
 
 
 

9. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

11. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

13. Most of the algae are :

 
 
 
 

14. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

16. Mostly type of zygospore in Ulothrix is:

 
 
 
 

17. The chloroplast of Chlamydomonas are:

 
 
 
 

18. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. One of the distinctive feature of Spirogyra is :

 
 
 
 

22. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

24. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Heterocysts are found in :

 
 
 
 

28. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

30. Most common type of conjugation in Spirogyra is :

 
 
 
 

31. Ulothrix produces :

 
 
 
 

32. Nannandria are:

 
 
 
 

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

 
 
 
 

34. Isomorphic type alternation of generation is found in:

 
 
 
 

35. Choose the correct statement about Spirogyra:

 
 
 
 

36. Which of the following is a parasitic algae?

 
 
 
 

37. Among the algae kelps are :

 
 
 
 

38. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

49. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

54. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

58. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

60. Asexual reproductive body of Volvox is called:

 
 
 
 

61. The largest alga is:

 
 
 
 

62. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

64. The zoospores of Ulothrix are :

 
 
 
 

65. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

67. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

77. Antibiotic has been extracted from :

 
 
 
 

78. All algae have:

 
 
 
 

79. Synzoospore is produced in:

 
 
 
 

80. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

82. The word “sea weeds” is used for:

 
 
 
 

83. Heterotrichous habit means :

 
 
 
 

84. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

86. Iodine is obtained from: