Quiz_Algae

1. Which of the following have a prokaryotic cell?

 
 
 
 

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

 
 
 
 

3. Most of the algae are :

 
 
 
 

4. Nannandria are:

 
 
 
 

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

 
 
 
 

6. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

8. Ulothrix produces :

 
 
 
 

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

 
 
 
 

10. True sexuality is not found in:

 
 
 
 

11. Which of the following have algal zone?

 
 
 
 

12. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Which one of the following statement is wrong?

 
 
 
 

17. What are Cyanobacteria?

 
 
 
 

18. Heterotrichous habit means :

 
 
 
 

19. The word “sea weeds” is used for:

 
 
 
 

20. The zoospores of Ulothrix are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. The chloroplast of Chlamydomonas are:

 
 
 
 

25. Ectocarpus produces:

 
 
 
 

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

 
 
 
 

27. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Agar-agar is obtained from:

 
 
 
 

31. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

33. The chloroplast in Ulothrix is :

 
 
 
 

34. Which of the following shows heterotrichous habit?

 
 
 
 

35. Spirogyra represents the :

 
 
 
 

36. Among the algae kelps are :

 
 
 
 

37. Water-net is the name of:

 
 
 
 

38. Synzoospore is produced in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Asexual reproductive body of Volvox is called:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

52. Iodine is obtained from:

 
 
 
 

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

 
 
 
 

54. An alga which is rich in proteins:

 
 
 
 

55. Each chloroplast in Spirogyra bears :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

58. Mostly type of zygospore in Ulothrix is:

 
 
 
 

59. One of the distinctive feature of Spirogyra is :

 
 
 
 

60. The alga, Spirogyra are found in :

 
 
 
 

61. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

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

 
 
 
 

63. Antibiotic has been extracted from :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which fixes atmospheric nitrogen?

 
 
 
 

67. The largest alga is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

72. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

74. Iodine is obtained from :

 
 
 
 

75. Water bloom is generally caused by :

 
 
 
 

76. Choose the correct statement about Spirogyra:

 
 
 
 

77. Cap cells are found in the filament of:

 
 
 
 

78. Isomorphic type alternation of generation is found in:

 
 
 
 

79. Which group of algae have an incipient nucleus?

 
 
 
 

80. Redness of red sea is due to :

 
 
 
 

81. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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