Quiz_Algae

1. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

3. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

5. Among the algae kelps are :

 
 
 
 

6. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Asexual reproductive body of Volvox is called:

 
 
 
 

10. Water-net is the name of:

 
 
 
 

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

 
 
 
 

12. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

14. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. Agar-agar is obtained from:

 
 
 
 

20. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

22. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

25. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

27. Heterotrichous habit means :

 
 
 
 

28. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

30. What are Cyanobacteria?

 
 
 
 

31. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

32. The flagella of Chlamydomonas are:

 
 
 
 

33. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

35. Most of the algae are :

 
 
 
 

36. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

41. The largest alga is:

 
 
 
 

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

 
 
 
 

43. Cap cells are found in the filament of:

 
 
 
 

44. Antibiotic has been extracted from :

 
 
 
 

45. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

47. Which of the following is a parasitic algae?

 
 
 
 

48. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

50. The alga, Spirogyra are found in :

 
 
 
 

51. Water bloom is generally caused by :

 
 
 
 

52. One of the distinctive feature of Spirogyra is :

 
 
 
 

53. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Which fixes atmospheric nitrogen?

 
 
 
 

58. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

62. The word “sea weeds” is used for:

 
 
 
 

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

 
 
 
 

64. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

69. The chloroplast of Chlamydomonas are:

 
 
 
 

70. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

72. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

78. Nannandria are:

 
 
 
 

79. True sexuality is not found in:

 
 
 
 

80. Choose the correct statement about Spirogyra:

 
 
 
 

81. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

86. Mostly type of zygospore in Ulothrix is: