Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Heterotrichous habit means :

 
 
 
 

4. The largest alga is:

 
 
 
 

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

 
 
 
 

6. Asexual reproductive body of Volvox is called:

 
 
 
 

7. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Which of the following is a parasitic algae?

 
 
 
 

11. Iodine is obtained from :

 
 
 
 

12. Antibiotic has been extracted from :

 
 
 
 

13. Most common type of conjugation in Spirogyra is :

 
 
 
 

14. All algae have:

 
 
 
 

15. Ulothrix produces :

 
 
 
 

16. The chloroplast in Ulothrix is :

 
 
 
 

17. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

19. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

21. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. The word “sea weeds” is used for:

 
 
 
 

25. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Which of the following shows heterotrichous habit?

 
 
 
 

31. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

33. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

35. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. One of the distinctive feature of Spirogyra is :

 
 
 
 

42. An alga which is rich in proteins:

 
 
 
 

43. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

47. Mostly type of zygospore in Ulothrix is:

 
 
 
 

48. Choose the correct statement about Spirogyra:

 
 
 
 

49. Most of the algae are :

 
 
 
 

50. Spirogyra represents the :

 
 
 
 

51. Water-net is the name of:

 
 
 
 

52. Iodine is obtained from:

 
 
 
 

53. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Nannandria are:

 
 
 
 

70. The flagella of Chlamydomonas are:

 
 
 
 

71. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

73. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

78. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

79. Which of the following have a prokaryotic cell?

 
 
 
 

80. Cap cells are found in the filament of:

 
 
 
 

81. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

83. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

85. What are Cyanobacteria?

 
 
 
 

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