Quiz_Algae

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. The flagella of Chlamydomonas are:

 
 
 
 

5. Most of the algae are :

 
 
 
 

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

 
 
 
 

7. Antibiotic has been extracted from :

 
 
 
 

8. Which of the following is a parasitic algae?

 
 
 
 

9. Cap cells are found in the filament of:

 
 
 
 

10. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

12. Water-net is the name of:

 
 
 
 

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

 
 
 
 

14. All algae have:

 
 
 
 

15. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

17. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

18. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

20. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

22. True sexuality is not found in:

 
 
 
 

23. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

25. Which of the following have a prokaryotic cell?

 
 
 
 

26. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

28. Which group of algae have an incipient nucleus?

 
 
 
 

29. Among the algae kelps are :

 
 
 
 

30. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Spirogyra represents the :

 
 
 
 

35. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

37. Asexual reproductive body of Volvox is called:

 
 
 
 

38. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Heterocysts are found in :

 
 
 
 

43. The zoospores of Ulothrix are :

 
 
 
 

44. Which one of the following statement is wrong?

 
 
 
 

45. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

48. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

50. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

52. An alga which is rich in proteins:

 
 
 
 

53. Each chloroplast in Spirogyra bears :

 
 
 
 

54. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. One of the distinctive feature of Spirogyra is :

 
 
 
 

58. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

64. Water bloom is generally caused by :

 
 
 
 

65. Heterotrichous habit means :

 
 
 
 

66. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

68. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. Choose the correct statement about Spirogyra:

 
 
 
 

72. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

76. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

78. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

85. Ectocarpus produces:

 
 
 
 

86. The largest alga is: