Quiz_Algae

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

 
 
 
 

2. Which group of algae have an incipient nucleus?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. True sexuality is not found in:

 
 
 
 

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

 
 
 
 

7. The largest alga is:

 
 
 
 

8. All algae have:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Which of the following have a prokaryotic cell?

 
 
 
 

12. Water-net is the name of:

 
 
 
 

13. Which one of the following statement is wrong?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Among the algae kelps are :

 
 
 
 

17. Ulothrix produces :

 
 
 
 

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

 
 
 
 

19. Water bloom is generally caused by :

 
 
 
 

20. Redness of red sea is due to :

 
 
 
 

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

 
 
 
 

22. Heterocysts are found in :

 
 
 
 

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

 
 
 
 

24. The zoospores of Ulothrix are :

 
 
 
 

25. Which of the following is a parasitic algae?

 
 
 
 

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

 
 
 
 

27. The word “sea weeds” is used for:

 
 
 
 

28. Each chloroplast in Spirogyra bears :

 
 
 
 

29. Most common type of conjugation in Spirogyra is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Asexual reproductive body of Volvox is called:

 
 
 
 

33. Iodine is obtained from :

 
 
 
 

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

 
 
 
 

35. What are Cyanobacteria?

 
 
 
 

36. Cap cells are found in the filament of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

39. Ulothrix and Spirogyra are filamentous and :

 
 
 
 

40. Which of the following have algal zone?

 
 
 
 

41. One of the distinctive feature of Spirogyra is :

 
 
 
 

42. Heterotrichous habit means :

 
 
 
 

43. Which of the following shows heterotrichous habit?

 
 
 
 

44. Spirogyra represents the :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. The chloroplast in Ulothrix is :

 
 
 
 

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

 
 
 
 

51. Hormogonia are the vegetative reproductive structures of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. The chloroplast of Chlamydomonas are:

 
 
 
 

56. Meiosis in Ulothrix takes place:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Agar-agar is obtained from:

 
 
 
 

61. Isomorphic type alternation of generation is found in:

 
 
 
 

62. The flagella of Chlamydomonas are:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Choose the correct statement about Spirogyra:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. An alga which is rich in proteins:

 
 
 
 

69. Mostly type of zygospore in Ulothrix is:

 
 
 
 

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

 
 
 
 

71. Most of the algae are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

74. Antibiotic has been extracted from :

 
 
 
 

75. Nannandria are:

 
 
 
 

76. Which fixes atmospheric nitrogen?

 
 
 
 

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

 
 
 
 

78. The alga, Spirogyra are found in :

 
 
 
 

79. Ulothrix and Spirogyra reproduce vegetatively by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

84. Iodine is obtained from:

 
 
 
 

85. Ectocarpus produces:

 
 
 
 

86. Synzoospore is produced in: