Quiz_Algae

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

 
 
 
 

2. Ectocarpus produces:

 
 
 
 

3. The chloroplast in Ulothrix is :

 
 
 
 

4. Which group of algae have an incipient nucleus?

 
 
 
 

5. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

8. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

10. All algae have:

 
 
 
 

11. The flagella of Chlamydomonas are:

 
 
 
 

12. Ulothrix produces :

 
 
 
 

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

 
 
 
 

14. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

16. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. True sexuality is not found in:

 
 
 
 

20. Which of the following have a prokaryotic cell?

 
 
 
 

21. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

23. Water-net is the name of:

 
 
 
 

24. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

26. Meiosis in Ulothrix takes place:

 
 
 
 

27. The alga, Spirogyra are found in :

 
 
 
 

28. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

30. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Which of the following have algal zone?

 
 
 
 

38. The largest alga is:

 
 
 
 

39. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

41. One of the distinctive feature of Spirogyra is :

 
 
 
 

42. Asexual reproductive body of Volvox is called:

 
 
 
 

43. Heterotrichous habit means :

 
 
 
 

44. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

46. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

48. Which one of the following statement is wrong?

 
 
 
 

49. Agar-agar is obtained from:

 
 
 
 

50. An alga which is rich in proteins:

 
 
 
 

51. Most of the algae are :

 
 
 
 

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

 
 
 
 

53. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

58. The zoospores of Ulothrix are :

 
 
 
 

59. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Mostly type of zygospore in Ulothrix is:

 
 
 
 

65. Heterocysts are found in :

 
 
 
 

66. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

67. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

72. Nannandria are:

 
 
 
 

73. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

80. Synzoospore is produced in:

 
 
 
 

81. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Redness of red sea is due to :

 
 
 
 

85. The word “sea weeds” is used for:

 
 
 
 

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