Quiz_Algae

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

 
 
 
 

2. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

4. The largest alga is:

 
 
 
 

5. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

7. The chloroplast of Chlamydomonas are:

 
 
 
 

8. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

10. An alga which is rich in proteins:

 
 
 
 

11. Nannandria are:

 
 
 
 

12. Water-net is the name of:

 
 
 
 

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

 
 
 
 

14. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

20. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

22. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

24. Which of the following have algal zone?

 
 
 
 

25. The flagella of Chlamydomonas are:

 
 
 
 

26. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Cap cells are found in the filament of:

 
 
 
 

33. Iodine is obtained from:

 
 
 
 

34. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

36. Which fixes atmospheric nitrogen?

 
 
 
 

37. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

42. One of the distinctive feature of Spirogyra is :

 
 
 
 

43. Which one of the following statement is wrong?

 
 
 
 

44. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

46. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

48. Agar-agar is obtained from:

 
 
 
 

49. Each chloroplast in Spirogyra bears :

 
 
 
 

50. Which of the following have a prokaryotic cell?

 
 
 
 

51. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

53. What are Cyanobacteria?

 
 
 
 

54. The alga, Spirogyra are found in :

 
 
 
 

55. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

57. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

58. All algae have:

 
 
 
 

59. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Among the algae kelps are :

 
 
 
 

63. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Ulothrix produces :

 
 
 
 

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

 
 
 
 

68. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

69. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

71. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Asexual reproductive body of Volvox is called:

 
 
 
 

75. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

83. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

85. Mostly type of zygospore in Ulothrix is:

 
 
 
 

86. Which of the following is a parasitic algae?