Quiz_Algae

1. The chloroplast of Chlamydomonas are:

 
 
 
 

2. True sexuality is not found in:

 
 
 
 

3. Spirogyra represents the :

 
 
 
 

4. Mostly type of zygospore in Ulothrix is:

 
 
 
 

5. All algae have:

 
 
 
 

6. Which of the following have a prokaryotic cell?

 
 
 
 

7. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Isomorphic type alternation of generation is found in:

 
 
 
 

11. Water-net is the name of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. The chloroplast in Ulothrix is :

 
 
 
 

17. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Heterotrichous habit means :

 
 
 
 

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

 
 
 
 

22. What are Cyanobacteria?

 
 
 
 

23. The alga, Spirogyra are found in :

 
 
 
 

24. Which of the following have algal zone?

 
 
 
 

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

 
 
 
 

26. Which one of the following statement is wrong?

 
 
 
 

27. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

31. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

32. Which of the following is a parasitic algae?

 
 
 
 

33. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

35. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. The flagella of Chlamydomonas are:

 
 
 
 

39. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

41. Iodine is obtained from :

 
 
 
 

42. Cap cells are found in the filament of:

 
 
 
 

43. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Ulothrix produces :

 
 
 
 

48. Most of the algae are :

 
 
 
 

49. Water bloom is generally caused by :

 
 
 
 

50. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. Which of the following shows heterotrichous habit?

 
 
 
 

54. Asexual reproductive body of Volvox is called:

 
 
 
 

55. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. One of the distinctive feature of Spirogyra is :

 
 
 
 

62. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

64. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

66. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

68. Meiosis in Ulothrix takes place:

 
 
 
 

69. The word “sea weeds” is used for:

 
 
 
 

70. Agar-agar is obtained from:

 
 
 
 

71. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

75. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

82. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

84. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

86. Heterocysts are found in :