Quiz_Algae

1. Iodine is obtained from :

 
 
 
 

2. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. The largest alga is:

 
 
 
 

7. The chloroplast in Ulothrix is :

 
 
 
 

8. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Agar-agar is obtained from:

 
 
 
 

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

 
 
 
 

14. Most of the algae are :

 
 
 
 

15. True sexuality is not found in:

 
 
 
 

16. The chloroplast of Chlamydomonas are:

 
 
 
 

17. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

23. Cap cells are found in the filament of:

 
 
 
 

24. The alga, Spirogyra are found in :

 
 
 
 

25. Mostly type of zygospore in Ulothrix is:

 
 
 
 

26. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

28. Synzoospore is produced in:

 
 
 
 

29. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. All algae have:

 
 
 
 

44. Ectocarpus produces:

 
 
 
 

45. Water-net is the name of:

 
 
 
 

46. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. The zoospores of Ulothrix are :

 
 
 
 

50. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

51. Which of the following have a prokaryotic cell?

 
 
 
 

52. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

54. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

56. What are Cyanobacteria?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

60. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

62. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

64. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Heterotrichous habit means :

 
 
 
 

71. The word “sea weeds” is used for:

 
 
 
 

72. Ulothrix produces :

 
 
 
 

73. The flagella of Chlamydomonas are:

 
 
 
 

74. Which fixes atmospheric nitrogen?

 
 
 
 

75. One of the distinctive feature of Spirogyra is :

 
 
 
 

76. Which of the following shows heterotrichous habit?

 
 
 
 

77. Nannandria are:

 
 
 
 

78. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

80. Which of the following is a parasitic algae?

 
 
 
 

81. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

83. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

85. Heterocysts are found in :

 
 
 
 

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