Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. Ectocarpus produces:

 
 
 
 

4. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

6. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

8. The largest alga is:

 
 
 
 

9. Which of the following have algal zone?

 
 
 
 

10. Isomorphic type alternation of generation is found in:

 
 
 
 

11. Meiosis in Ulothrix takes place:

 
 
 
 

12. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

13. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

15. Spirogyra represents the :

 
 
 
 

16. Which group of algae have an incipient nucleus?

 
 
 
 

17. Water bloom is generally caused by :

 
 
 
 

18. The chloroplast of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

20. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Cap cells are found in the filament of:

 
 
 
 

24. Iodine is obtained from :

 
 
 
 

25. Antibiotic has been extracted from :

 
 
 
 

26. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

28. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. Which one of the following statement is wrong?

 
 
 
 

36. Among the algae kelps are :

 
 
 
 

37. What are Cyanobacteria?

 
 
 
 

38. Heterotrichous habit means :

 
 
 
 

39. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. Ulothrix produces :

 
 
 
 

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

 
 
 
 

44. Most common type of conjugation in Spirogyra is :

 
 
 
 

45. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

47. Agar-agar is obtained from:

 
 
 
 

48. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

51. Water-net is the name of:

 
 
 
 

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

 
 
 
 

53. Each chloroplast in Spirogyra bears :

 
 
 
 

54. Which of the following shows heterotrichous habit?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

64. One of the distinctive feature of Spirogyra is :

 
 
 
 

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

 
 
 
 

66. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

68. Nannandria are:

 
 
 
 

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

 
 
 
 

70. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. All algae have:

 
 
 
 

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

 
 
 
 

76. The word “sea weeds” is used for:

 
 
 
 

77. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

78. The flagella of Chlamydomonas are:

 
 
 
 

79. Most of the algae are :

 
 
 
 

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

 
 
 
 

81. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Mostly type of zygospore in Ulothrix is:

 
 
 
 

85. Which fixes atmospheric nitrogen?

 
 
 
 

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