Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Ulothrix produces :

 
 
 
 

5. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

7. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

9. Each chloroplast in Spirogyra bears :

 
 
 
 

10. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

12. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

14. Which of the following shows heterotrichous habit?

 
 
 
 

15. Choose the correct statement about Spirogyra:

 
 
 
 

16. Ectocarpus produces:

 
 
 
 

17. Most common type of conjugation in Spirogyra is :

 
 
 
 

18. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

23. Antibiotic has been extracted from :

 
 
 
 

24. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

26. Which of the following have algal zone?

 
 
 
 

27. The largest alga is:

 
 
 
 

28. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

30. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. True sexuality is not found in:

 
 
 
 

34. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

42. Heterocysts are found in :

 
 
 
 

43. Heterotrichous habit means :

 
 
 
 

44. One of the distinctive feature of Spirogyra is :

 
 
 
 

45. Iodine is obtained from :

 
 
 
 

46. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. The flagella of Chlamydomonas are:

 
 
 
 

58. Redness of red sea is due to :

 
 
 
 

59. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

61. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

63. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

65. All algae have:

 
 
 
 

66. Among the algae kelps are :

 
 
 
 

67. Water-net is the name of:

 
 
 
 

68. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

72. Which group of algae have an incipient nucleus?

 
 
 
 

73. What are Cyanobacteria?

 
 
 
 

74. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

76. Nannandria are:

 
 
 
 

77. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

82. Which one of the following statement is wrong?

 
 
 
 

83. Iodine is obtained from:

 
 
 
 

84. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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