Quiz_Algae

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

 
 
 
 

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

 
 
 
 

3. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Most common type of conjugation in Spirogyra is :

 
 
 
 

7. Which one of the following statement is wrong?

 
 
 
 

8. One of the distinctive feature of Spirogyra is :

 
 
 
 

9. Each chloroplast in Spirogyra bears :

 
 
 
 

10. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

15. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

17. Meiosis in Ulothrix takes place:

 
 
 
 

18. Agar-agar is obtained from:

 
 
 
 

19. Isomorphic type alternation of generation is found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

29. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Heterocysts are found in :

 
 
 
 

33. Which of the following have algal zone?

 
 
 
 

34. The word “sea weeds” is used for:

 
 
 
 

35. What are Cyanobacteria?

 
 
 
 

36. An alga which is rich in proteins:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Water-net is the name of:

 
 
 
 

41. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

46. Among the algae kelps are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. The flagella of Chlamydomonas are:

 
 
 
 

50. True sexuality is not found in:

 
 
 
 

51. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

52. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

54. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

56. Ulothrix produces :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. Water bloom is generally caused by :

 
 
 
 

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

 
 
 
 

61. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

63. Nannandria are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Mostly type of zygospore in Ulothrix is:

 
 
 
 

67. The chloroplast of Chlamydomonas are:

 
 
 
 

68. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

73. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

74. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

75. Most of the algae are :

 
 
 
 

76. The largest alga is:

 
 
 
 

77. Ectocarpus produces:

 
 
 
 

78. Which of the following shows heterotrichous habit?

 
 
 
 

79. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

81. Iodine is obtained from:

 
 
 
 

82. Heterotrichous habit means :

 
 
 
 

83. The alga, Spirogyra are found in :

 
 
 
 

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

 
 
 
 

85. All algae have:

 
 
 
 

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